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Finding the Third Proportional to 191.50 and 267

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Solution

The third proportional to 191.50 and 267 is: 372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.50 : 267 = 267 : x
  2. Step 2: Convert to fraction form
    191.50/267 = 267/x
  3. Step 3: Cross multiply
    191.50x = 267 × 267
  4. Step 4: Simplify right side
    191.50x = 71,289
  5. Step 5: Solve for x
    x = 71,289/191.50
  6. Step 6: Final answer
    x = 372.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.