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Finding the Third Proportional to 61,755,402 and 90,836,847

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Solution

The third proportional to 61,755,402 and 90,836,847 is: 133,613,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755,402 : 90,836,847 = 90,836,847 : x
  2. Step 2: Convert to fraction form
    61,755,402/90,836,847 = 90,836,847/x
  3. Step 3: Cross multiply
    61,755,402x = 90,836,847 × 90,836,847
  4. Step 4: Simplify right side
    61,755,402x = 8,251,332,772,901,409
  5. Step 5: Solve for x
    x = 8,251,332,772,901,409/61,755,402
  6. Step 6: Final answer
    x = 133,613,133.52

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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.