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Finding the Third Proportional to 66,540 and 99,802

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Solution

The third proportional to 66,540 and 99,802 is: 149,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,540 : 99,802 = 99,802 : x
  2. Step 2: Convert to fraction form
    66,540/99,802 = 99,802/x
  3. Step 3: Cross multiply
    66,540x = 99,802 × 99,802
  4. Step 4: Simplify right side
    66,540x = 9,960,439,204
  5. Step 5: Solve for x
    x = 9,960,439,204/66,540
  6. Step 6: Final answer
    x = 149,691.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.