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Finding the Third Proportional to 8,665,569 and 18,560,778

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Solution

The third proportional to 8,665,569 and 18,560,778 is: 39,755,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,569 : 18,560,778 = 18,560,778 : x
  2. Step 2: Convert to fraction form
    8,665,569/18,560,778 = 18,560,778/x
  3. Step 3: Cross multiply
    8,665,569x = 18,560,778 × 18,560,778
  4. Step 4: Simplify right side
    8,665,569x = 344,502,479,965,284
  5. Step 5: Solve for x
    x = 344,502,479,965,284/8,665,569
  6. Step 6: Final answer
    x = 39,755,321.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.