Simple past tense and past participle of extrapolate.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "extrapolated" in a sentence
"The figure is extrapolated from the $88,000 sales reported by 500 respondents for a single week in September."
"Thrilling graphics of Sabre Tooth Tigers prowling the Severn Tundra were set alongside piles of bodies accelerating towards the moon extrapolated from the population growth of a small Brazilian village, but no more."
"Association officials said the survey results, if extrapolated from the 500 public libraries that responded, would amount to a total of some 600 formal inquires since 2001 ...."