Index: tests/Layer/Google/v3.html
===================================================================
--- tests/Layer/Google/v3.html	(revision 11111)
+++ tests/Layer/Google/v3.html	(working copy)
@@ -322,11 +322,12 @@
          // pan to the edge of the world
          map.pan(256, 0, {animate: false});
          center = map.getCenter();
-         t.eq(center.lon, 20037508.3392, "edge of the world");
+         t.eq(center.lon, 20037508.34, "edge of the world");
          // pan off the edge of the world
          map.pan(100, 0, {animate: false});
          center = map.getCenter();
-         t.eq(center.lon, -12210356.6442, "magically back in the western hemisphere");
+         var expect = 100 * map.getResolution() - 20037508.34;
+         t.eq(center.lon, expect, "magically back in the western hemisphere");
          
          map.destroy();
          
@@ -346,11 +347,11 @@
          // pan to the edge of the world
          map.pan(256, 0, {animate: false});
          center = map.getCenter();
-         t.eq(center.lon, 20037508.3392, "edge of the world");
+         t.eq(center.lon, 20037508.34, "edge of the world");
          // pan off the edge of the world
          map.pan(100, 0, {animate: false});
          center = map.getCenter();
-         t.eq(center.lon, 20037508.3392, "whew, still on the edge");
+         t.eq(center.lon, 20037508.34, "whew, still on the edge");
          
          map.destroy();
          
Index: lib/OpenLayers/Layer/XYZ.js
===================================================================
--- lib/OpenLayers/Layer/XYZ.js	(revision 11111)
+++ lib/OpenLayers/Layer/XYZ.js	(working copy)
@@ -65,12 +65,12 @@
         if (options && options.sphericalMercator || this.sphericalMercator) {
             options = OpenLayers.Util.extend({
                 maxExtent: new OpenLayers.Bounds(
-                    -128 * 156543.0339,
-                    -128 * 156543.0339,
-                    128 * 156543.0339,
-                    128 * 156543.0339
+                    -128 * 156543.03390625,
+                    -128 * 156543.03390625,
+                    128 * 156543.03390625,
+                    128 * 156543.03390625
                 ),
-                maxResolution: 156543.0339,
+                maxResolution: 156543.03390625,
                 numZoomLevels: 19,
                 units: "m",
                 projection: "EPSG:900913"
Index: lib/OpenLayers/Layer/Google/v3.js
===================================================================
--- lib/OpenLayers/Layer/Google/v3.js	(revision 11111)
+++ lib/OpenLayers/Layer/Google/v3.js	(working copy)
@@ -26,13 +26,13 @@
      * (code)
      * {
      *     maxExtent: new OpenLayers.Bounds(
-     *         -128 * 156543.0339,
-     *         -128 * 156543.0339,
-     *         128 * 156543.0339,
-     *         128 * 156543.0339
+     *         -128 * 156543.03390625,
+     *         -128 * 156543.03390625,
+     *         128 * 156543.03390625,
+     *         128 * 156543.03390625
      *     ),
      *     sphericalMercator: true,
-     *     maxResolution: 156543.0339,
+     *     maxResolution: 156543.03390625,
      *     units: "m",
      *     projection: "EPSG:900913"
      * }
@@ -40,13 +40,13 @@
      */
     DEFAULTS: {
         maxExtent: new OpenLayers.Bounds(
-            -128 * 156543.0339,
-            -128 * 156543.0339,
-            128 * 156543.0339,
-            128 * 156543.0339
+            -128 * 156543.03390625,
+            -128 * 156543.03390625,
+            128 * 156543.03390625,
+            128 * 156543.03390625
         ),
         sphericalMercator: true,
-        maxResolution: 156543.0339,
+        maxResolution: 156543.03390625,
         units: "m",
         projection: "EPSG:900913"
     },
Index: lib/OpenLayers/Layer/SphericalMercator.js
===================================================================
--- lib/OpenLayers/Layer/SphericalMercator.js	(revision 11111)
+++ lib/OpenLayers/Layer/SphericalMercator.js	(working copy)
@@ -95,7 +95,7 @@
     initMercatorParameters: function() {
         // set up properties for Mercator - assume EPSG:900913
         this.RESOLUTIONS = [];
-        var maxResolution = 156543.0339;
+        var maxResolution = 156543.03390625;
         for(var zoom=0; zoom<=this.MAX_ZOOM_LEVEL; ++zoom) {
             this.RESOLUTIONS[zoom] = maxResolution / Math.pow(2, zoom);
         }