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Finding the Third Proportional to 80,456 and 125,536

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Solution

The third proportional to 80,456 and 125,536 is: 195,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,456 : 125,536 = 125,536 : x
  2. Step 2: Convert to fraction form
    80,456/125,536 = 125,536/x
  3. Step 3: Cross multiply
    80,456x = 125,536 × 125,536
  4. Step 4: Simplify right side
    80,456x = 15,759,287,296
  5. Step 5: Solve for x
    x = 15,759,287,296/80,456
  6. Step 6: Final answer
    x = 195,874.61

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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.