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Finding the Third Proportional to 10,145,404.13 and 15,715,716.75

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Solution

The third proportional to 10,145,404.13 and 15,715,716.75 is: 24,344,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145,404.13 : 15,715,716.75 = 15,715,716.75 : x
  2. Step 2: Convert to fraction form
    10,145,404.13/15,715,716.75 = 15,715,716.75/x
  3. Step 3: Cross multiply
    10,145,404.13x = 15,715,716.75 × 15,715,716.75
  4. Step 4: Simplify right side
    10,145,404.13x = 246,983,752,966,230.56
  5. Step 5: Solve for x
    x = 246,983,752,966,230.56/10,145,404.13
  6. Step 6: Final answer
    x = 24,344,397.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.