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Finding the Third Proportional to 18,805.50 and 38,802

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Solution

The third proportional to 18,805.50 and 38,802 is: 80,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.50 : 38,802 = 38,802 : x
  2. Step 2: Convert to fraction form
    18,805.50/38,802 = 38,802/x
  3. Step 3: Cross multiply
    18,805.50x = 38,802 × 38,802
  4. Step 4: Simplify right side
    18,805.50x = 1,505,595,204
  5. Step 5: Solve for x
    x = 1,505,595,204/18,805.50
  6. Step 6: Final answer
    x = 80,061.43

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.