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Finding the Third Proportional to 61,755,408 and 90,836,856

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Solution

The third proportional to 61,755,408 and 90,836,856 is: 133,613,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755,408 : 90,836,856 = 90,836,856 : x
  2. Step 2: Convert to fraction form
    61,755,408/90,836,856 = 90,836,856/x
  3. Step 3: Cross multiply
    61,755,408x = 90,836,856 × 90,836,856
  4. Step 4: Simplify right side
    61,755,408x = 8,251,334,407,964,736
  5. Step 5: Solve for x
    x = 8,251,334,407,964,736/61,755,408
  6. Step 6: Final answer
    x = 133,613,147.01

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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.