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Finding the Third Proportional to 200.38 and 267.44

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Solution

The third proportional to 200.38 and 267.44 is: 356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.38 : 267.44 = 267.44 : x
  2. Step 2: Convert to fraction form
    200.38/267.44 = 267.44/x
  3. Step 3: Cross multiply
    200.38x = 267.44 × 267.44
  4. Step 4: Simplify right side
    200.38x = 71,522.82
  5. Step 5: Solve for x
    x = 71,522.82/200.38
  6. Step 6: Final answer
    x = 356.94

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.