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Finding the Third Proportional to 61,712,078 and 132,711,616

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Solution

The third proportional to 61,712,078 and 132,711,616 is: 285,395,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712,078 : 132,711,616 = 132,711,616 : x
  2. Step 2: Convert to fraction form
    61,712,078/132,711,616 = 132,711,616/x
  3. Step 3: Cross multiply
    61,712,078x = 132,711,616 × 132,711,616
  4. Step 4: Simplify right side
    61,712,078x = 17,612,373,021,331,456
  5. Step 5: Solve for x
    x = 17,612,373,021,331,456/61,712,078
  6. Step 6: Final answer
    x = 285,395,883.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.