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Finding the Third Proportional to 142 and 267

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Solution

The third proportional to 142 and 267 is: 502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142 : 267 = 267 : x
  2. Step 2: Convert to fraction form
    142/267 = 267/x
  3. Step 3: Cross multiply
    142x = 267 × 267
  4. Step 4: Simplify right side
    142x = 71,289
  5. Step 5: Solve for x
    x = 71,289/142
  6. Step 6: Final answer
    x = 502.04

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.