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Finding the Third Proportional to 532.75 and 814.88

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Solution

The third proportional to 532.75 and 814.88 is: 1,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.75 : 814.88 = 814.88 : x
  2. Step 2: Convert to fraction form
    532.75/814.88 = 814.88/x
  3. Step 3: Cross multiply
    532.75x = 814.88 × 814.88
  4. Step 4: Simplify right side
    532.75x = 664,021.27
  5. Step 5: Solve for x
    x = 664,021.27/532.75
  6. Step 6: Final answer
    x = 1,246.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.