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Finding the Third Proportional to 508.38 and 759.19

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Solution

The third proportional to 508.38 and 759.19 is: 1,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.38 : 759.19 = 759.19 : x
  2. Step 2: Convert to fraction form
    508.38/759.19 = 759.19/x
  3. Step 3: Cross multiply
    508.38x = 759.19 × 759.19
  4. Step 4: Simplify right side
    508.38x = 576,365.66
  5. Step 5: Solve for x
    x = 576,365.66/508.38
  6. Step 6: Final answer
    x = 1,133.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.