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Finding the Third Proportional to 507.38 and 672.75

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Solution

The third proportional to 507.38 and 672.75 is: 892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.38 : 672.75 = 672.75 : x
  2. Step 2: Convert to fraction form
    507.38/672.75 = 672.75/x
  3. Step 3: Cross multiply
    507.38x = 672.75 × 672.75
  4. Step 4: Simplify right side
    507.38x = 452,592.56
  5. Step 5: Solve for x
    x = 452,592.56/507.38
  6. Step 6: Final answer
    x = 892.03

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.