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Finding the Third Proportional to 116.25 and 252.75

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Solution

The third proportional to 116.25 and 252.75 is: 549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.25 : 252.75 = 252.75 : x
  2. Step 2: Convert to fraction form
    116.25/252.75 = 252.75/x
  3. Step 3: Cross multiply
    116.25x = 252.75 × 252.75
  4. Step 4: Simplify right side
    116.25x = 63,882.56
  5. Step 5: Solve for x
    x = 63,882.56/116.25
  6. Step 6: Final answer
    x = 549.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.