You must match the resolution, backlight, and screen size to your current screen. You cannot deviate from your current screen specifications. A screen with different specifications will not work with your system.
In this case--you should be able to, yes, as both laptops use identical screens with the same 40-pin connector. Worst case scenario, you're looking at about a $70-$75 part.
[http://www.amazon.com/Replacement-HP-Pavilion-G72-B60US-G72-B66US/dp/B0096DEXB4/ref=sr_1_1?s=electronics&ie=UTF8&qid=1434152288&sr=1-1&keywords=HP+G72+lcd|LED-1600-900-G-40-17.3]