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Finding the Third Proportional to 8,377,711.88 and 18,078,649.88

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Solution

The third proportional to 8,377,711.88 and 18,078,649.88 is: 39,012,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377,711.88 : 18,078,649.88 = 18,078,649.88 : x
  2. Step 2: Convert to fraction form
    8,377,711.88/18,078,649.88 = 18,078,649.88/x
  3. Step 3: Cross multiply
    8,377,711.88x = 18,078,649.88 × 18,078,649.88
  4. Step 4: Simplify right side
    8,377,711.88x = 326,837,581,302,837.50
  5. Step 5: Solve for x
    x = 326,837,581,302,837.50/8,377,711.88
  6. Step 6: Final answer
    x = 39,012,750.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.