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Finding the Third Proportional to 61,755,412 and 90,836,860

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Solution

The third proportional to 61,755,412 and 90,836,860 is: 133,613,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755,412 : 90,836,860 = 90,836,860 : x
  2. Step 2: Convert to fraction form
    61,755,412/90,836,860 = 90,836,860/x
  3. Step 3: Cross multiply
    61,755,412x = 90,836,860 × 90,836,860
  4. Step 4: Simplify right side
    61,755,412x = 8,251,335,134,659,600
  5. Step 5: Solve for x
    x = 8,251,335,134,659,600/61,755,412
  6. Step 6: Final answer
    x = 133,613,150.13

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.