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Find a number which, when added to each of 2,6,13, gives three numbers in geometric sequence.  

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Lix Lemjay eNotes educator | Certified Educator

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To start, let's assign a variable to the number. Let it be x.

And if adding x to 2, 6 and 13 results to a geometric series, we would have:

`2+x` , `6+x` , and `13+x`

Note that in geometric series, the ratio between two consecutive terms are the same and it is called as a common ratio (r)....

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