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Finding the Third Proportional to 10,061,978.75 and 15,690,839.25

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Solution

The third proportional to 10,061,978.75 and 15,690,839.25 is: 24,468,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061,978.75 : 15,690,839.25 = 15,690,839.25 : x
  2. Step 2: Convert to fraction form
    10,061,978.75/15,690,839.25 = 15,690,839.25/x
  3. Step 3: Cross multiply
    10,061,978.75x = 15,690,839.25 × 15,690,839.25
  4. Step 4: Simplify right side
    10,061,978.75x = 246,202,436,369,340.56
  5. Step 5: Solve for x
    x = 246,202,436,369,340.56/10,061,978.75
  6. Step 6: Final answer
    x = 24,468,590.37

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.