French Polynesia is about 51 times smaller than Utah.

Utah is approximately 212,751 sq km, while French Polynesia is approximately 4,167 sq km, making French Polynesia 1.96% the size of Utah. Meanwhile, the population of Utah is ~2.8 million people (2.5 million fewer people live in French Polynesia).
Tip: This to-scale comparison of Utah vs. French Polynesia uses the Mercator projection, which distorts the size of regions near the poles.