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Math Help - Geometric progression

  1. #1
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    Geometric progression

    Given a geometric progression r,5,25/r,s,..... Express s in terms of r.
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  2. #2
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    Quote Originally Posted by mastermin346 View Post
    Given a geometric progression r,5,25/r,s,..... Express s in terms of r.
    Common ratio ?

    s/(25/r)=5/r
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