894815
894815 894815
  • 21-02-2016
  • Mathematics
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The ratio 125:x is equivalent to the ratio x squared:125. What is the value of x?

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AL2006
AL2006 AL2006
  • 21-02-2016

You said that                            125/x = x²/125

Cross-multiply the proportion:      x³  =  (125)²

                                                            = 15,625

                                             So    x  =  ∛15,625  =  25 .
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