G.P

Algebra Level 1

3,  ____,  ____,  ,  ____,  96 3, \; \text{\_\_\_\_}, \; \text{\_\_\_\_}, \; \ldots\ldots, \; \text{\_\_\_\_}, \; 96

The above is a geometric progression with only the first and last terms shown.

If the sum of all these terms is 189, then find the number of terms in this progression.

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