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Finding the Third Proportional to 18,175,840 and 38,904,934

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Solution

The third proportional to 18,175,840 and 38,904,934 is: 83,275,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,840 : 38,904,934 = 38,904,934 : x
  2. Step 2: Convert to fraction form
    18,175,840/38,904,934 = 38,904,934/x
  3. Step 3: Cross multiply
    18,175,840x = 38,904,934 × 38,904,934
  4. Step 4: Simplify right side
    18,175,840x = 1,513,593,889,544,356
  5. Step 5: Solve for x
    x = 1,513,593,889,544,356/18,175,840
  6. Step 6: Final answer
    x = 83,275,044.76

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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.