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Going Cyclic With Geometric II (Posted on 2009-07-04) Difficulty: 3 of 5
Three 3-digit non leading zero positive base N integers P, Q and R, with P > Q > R, are such that:

  • Q is the geometric mean of P and R, and:
  • P, Q and R can be derived from one another by cyclic permutation of digits.

Determine all possible positive integer values of N < 30 for which this is possible.

No Solution Yet Submitted by K Sengupta    
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N=10 | Comment 1 of 4

(P, Q, R)10 : {(243, 324, 432), (486, 648, 864)}


  Posted by Dej Mar on 2009-07-04 13:51:44
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