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Finding the Third Proportional to 267.75 and 379.50

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Solution

The third proportional to 267.75 and 379.50 is: 537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.75 : 379.50 = 379.50 : x
  2. Step 2: Convert to fraction form
    267.75/379.50 = 379.50/x
  3. Step 3: Cross multiply
    267.75x = 379.50 × 379.50
  4. Step 4: Simplify right side
    267.75x = 144,020.25
  5. Step 5: Solve for x
    x = 144,020.25/267.75
  6. Step 6: Final answer
    x = 537.89

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.