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Finding the Third Proportional to 126,263 and 280,552

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Solution

The third proportional to 126,263 and 280,552 is: 623,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,263 : 280,552 = 280,552 : x
  2. Step 2: Convert to fraction form
    126,263/280,552 = 280,552/x
  3. Step 3: Cross multiply
    126,263x = 280,552 × 280,552
  4. Step 4: Simplify right side
    126,263x = 78,709,424,704
  5. Step 5: Solve for x
    x = 78,709,424,704/126,263
  6. Step 6: Final answer
    x = 623,376.80

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.