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Finding the Third Proportional to 8,488,699.17 and 18,412,910.30

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Solution

The third proportional to 8,488,699.17 and 18,412,910.30 is: 39,939,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488,699.17 : 18,412,910.30 = 18,412,910.30 : x
  2. Step 2: Convert to fraction form
    8,488,699.17/18,412,910.30 = 18,412,910.30/x
  3. Step 3: Cross multiply
    8,488,699.17x = 18,412,910.30 × 18,412,910.30
  4. Step 4: Simplify right side
    8,488,699.17x = 339,035,265,600,765.38
  5. Step 5: Solve for x
    x = 339,035,265,600,765.38/8,488,699.17
  6. Step 6: Final answer
    x = 39,939,601.90

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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.