Combined Arithmetic Geometric Progression

Algebra Level 4

We have three numbers in an arithmetic progression, and another three numbers in a geometric progression. Adding the corresponding terms of the two series, we get 120,116,130 120 , 116 , 130 . If the sum of all the terms in the geometric progression is 342 342 , what is the largest term in the geometric progression?


Details and Assumptions:

  • If the terms of the AP are A, B, C, and the terms of the GP are X, Y, Z, then adding the corresponding terms will give us A+X, B+Y, C+Z.
Calvin Lin by Calvin Lin
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