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Finding the Third Proportional to 151.13 and 200.95

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Solution

The third proportional to 151.13 and 200.95 is: 267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.13 : 200.95 = 200.95 : x
  2. Step 2: Convert to fraction form
    151.13/200.95 = 200.95/x
  3. Step 3: Cross multiply
    151.13x = 200.95 × 200.95
  4. Step 4: Simplify right side
    151.13x = 40,382.16
  5. Step 5: Solve for x
    x = 40,382.16/151.13
  6. Step 6: Final answer
    x = 267.21

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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.