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Finding the Third Proportional to 537.19 and 817.13

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Solution

The third proportional to 537.19 and 817.13 is: 1,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.19 : 817.13 = 817.13 : x
  2. Step 2: Convert to fraction form
    537.19/817.13 = 817.13/x
  3. Step 3: Cross multiply
    537.19x = 817.13 × 817.13
  4. Step 4: Simplify right side
    537.19x = 667,693.27
  5. Step 5: Solve for x
    x = 667,693.27/537.19
  6. Step 6: Final answer
    x = 1,242.94

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.