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Finding the Third Proportional to 80,247 and 124,812

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Solution

The third proportional to 80,247 and 124,812 is: 194,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,247 : 124,812 = 124,812 : x
  2. Step 2: Convert to fraction form
    80,247/124,812 = 124,812/x
  3. Step 3: Cross multiply
    80,247x = 124,812 × 124,812
  4. Step 4: Simplify right side
    80,247x = 15,578,035,344
  5. Step 5: Solve for x
    x = 15,578,035,344/80,247
  6. Step 6: Final answer
    x = 194,126.08

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.