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Finding the Third Proportional to 267.75 and 371.25

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Solution

The third proportional to 267.75 and 371.25 is: 514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.75 : 371.25 = 371.25 : x
  2. Step 2: Convert to fraction form
    267.75/371.25 = 371.25/x
  3. Step 3: Cross multiply
    267.75x = 371.25 × 371.25
  4. Step 4: Simplify right side
    267.75x = 137,826.56
  5. Step 5: Solve for x
    x = 137,826.56/267.75
  6. Step 6: Final answer
    x = 514.76

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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.