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Finding the Third Proportional to 267.25 and 451.75

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Solution

The third proportional to 267.25 and 451.75 is: 763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.25 : 451.75 = 451.75 : x
  2. Step 2: Convert to fraction form
    267.25/451.75 = 451.75/x
  3. Step 3: Cross multiply
    267.25x = 451.75 × 451.75
  4. Step 4: Simplify right side
    267.25x = 204,078.06
  5. Step 5: Solve for x
    x = 204,078.06/267.25
  6. Step 6: Final answer
    x = 763.62

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Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.