* reuters://realtime/verb=Open/url=cpurl://apps.cp./Apps/econ-polls?RIC=XGGRTHAP global growth poll data * https://tmsnrt.rs/3eXOMtc Reuters poll graphic on global 2021 GDP forecast revisions * https://tmsnrt.rs/3zwztPS Reuters poll graphic on global 2022 GDP forecast revisions * By Shrutee Sarkar BENGALURU, July 27 (Reuters) - Global economic growth prospects are holding strong for this year and next, despite a significant majority of economists in Reuters polls warning new variants of the coronavirus pose the biggest risk to that outlook. A global survey of nearly 500 economists taken this month also concluded recent rising inflation in key economies around the world would be transitory.