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Finding the Third Proportional to 8,488,704.38 and 18,412,921.13

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Solution

The third proportional to 8,488,704.38 and 18,412,921.13 is: 39,939,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488,704.38 : 18,412,921.13 = 18,412,921.13 : x
  2. Step 2: Convert to fraction form
    8,488,704.38/18,412,921.13 = 18,412,921.13/x
  3. Step 3: Cross multiply
    8,488,704.38x = 18,412,921.13 × 18,412,921.13
  4. Step 4: Simplify right side
    8,488,704.38x = 339,035,664,355,471.25
  5. Step 5: Solve for x
    x = 339,035,664,355,471.25/8,488,704.38
  6. Step 6: Final answer
    x = 39,939,624.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.