SOLUTION: 12 18 36 90 270 ?

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Question 1039748: 12 18 36 90 270 ?
Found 2 solutions by josgarithmetic, Edwin McCravy:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
;

6*2, 6*3, 6*6, 6*15, 6*45;

6*(2), 6*(3), 6(2*3), 6*(3*5), 6(3*3*5);

Not necessarily any actual pattern. On the other hand, the first listing shows ratio among succeeding terms to increase have 0.5. This would make the next term be .
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
2.0×1.0=  2.0, then ×6= 12
          2.0×1.5=  3.0, then ×6= 18 
                    3.0×2.0=  6.0, then ×6= 36 
                              6.0×2.5= 15.0, then ×6= 90 
                                       15.0×3.0= 45.0, then ×6=270 
                                                 45.0×3.5=157.5, then ×6=945 

Edwin
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