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Finding the Third Proportional to 127,520 and 274,552

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Solution

The third proportional to 127,520 and 274,552 is: 591,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,520 : 274,552 = 274,552 : x
  2. Step 2: Convert to fraction form
    127,520/274,552 = 274,552/x
  3. Step 3: Cross multiply
    127,520x = 274,552 × 274,552
  4. Step 4: Simplify right side
    127,520x = 75,378,800,704
  5. Step 5: Solve for x
    x = 75,378,800,704/127,520
  6. Step 6: Final answer
    x = 591,113.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.