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Finding the Third Proportional to 511.38 and 673.13

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Solution

The third proportional to 511.38 and 673.13 is: 886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.38 : 673.13 = 673.13 : x
  2. Step 2: Convert to fraction form
    511.38/673.13 = 673.13/x
  3. Step 3: Cross multiply
    511.38x = 673.13 × 673.13
  4. Step 4: Simplify right side
    511.38x = 453,097.27
  5. Step 5: Solve for x
    x = 453,097.27/511.38
  6. Step 6: Final answer
    x = 886.04

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.