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Finding the Third Proportional to 61,239,724.73 and 90,711,615.87

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Solution

The third proportional to 61,239,724.73 and 90,711,615.87 is: 134,366,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239,724.73 : 90,711,615.87 = 90,711,615.87 : x
  2. Step 2: Convert to fraction form
    61,239,724.73/90,711,615.87 = 90,711,615.87/x
  3. Step 3: Cross multiply
    61,239,724.73x = 90,711,615.87 × 90,711,615.87
  4. Step 4: Simplify right side
    61,239,724.73x = 8,228,597,253,236,637
  5. Step 5: Solve for x
    x = 8,228,597,253,236,637/61,239,724.73
  6. Step 6: Final answer
    x = 134,366,986.28

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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.