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Finding the Third Proportional to 8,387,468 and 18,344,944

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Solution

The third proportional to 8,387,468 and 18,344,944 is: 40,123,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,468 : 18,344,944 = 18,344,944 : x
  2. Step 2: Convert to fraction form
    8,387,468/18,344,944 = 18,344,944/x
  3. Step 3: Cross multiply
    8,387,468x = 18,344,944 × 18,344,944
  4. Step 4: Simplify right side
    8,387,468x = 336,536,970,363,136
  5. Step 5: Solve for x
    x = 336,536,970,363,136/8,387,468
  6. Step 6: Final answer
    x = 40,123,785.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.