3 and 9 are the first two terms in a geometric sequence

3 and 9 are the first two terms in a geometric sequence. What is the arithmetic difference between the 7th term and the 5th term?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #21739