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Finding the Third Proportional to 116.25 and 234.75

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Solution

The third proportional to 116.25 and 234.75 is: 474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.25 : 234.75 = 234.75 : x
  2. Step 2: Convert to fraction form
    116.25/234.75 = 234.75/x
  3. Step 3: Cross multiply
    116.25x = 234.75 × 234.75
  4. Step 4: Simplify right side
    116.25x = 55,107.56
  5. Step 5: Solve for x
    x = 55,107.56/116.25
  6. Step 6: Final answer
    x = 474.04

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.