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Finding the Third Proportional to 61,239,712.50 and 90,711,600.56

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Solution

The third proportional to 61,239,712.50 and 90,711,600.56 is: 134,366,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239,712.50 : 90,711,600.56 = 90,711,600.56 : x
  2. Step 2: Convert to fraction form
    61,239,712.50/90,711,600.56 = 90,711,600.56/x
  3. Step 3: Cross multiply
    61,239,712.50x = 90,711,600.56 × 90,711,600.56
  4. Step 4: Simplify right side
    61,239,712.50x = 8,228,594,476,610,550
  5. Step 5: Solve for x
    x = 8,228,594,476,610,550/61,239,712.50
  6. Step 6: Final answer
    x = 134,366,967.78

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.