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Finding the Third Proportional to 113.25 and 232.13

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Solution

The third proportional to 113.25 and 232.13 is: 475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.25 : 232.13 = 232.13 : x
  2. Step 2: Convert to fraction form
    113.25/232.13 = 232.13/x
  3. Step 3: Cross multiply
    113.25x = 232.13 × 232.13
  4. Step 4: Simplify right side
    113.25x = 53,882.02
  5. Step 5: Solve for x
    x = 53,882.02/113.25
  6. Step 6: Final answer
    x = 475.78

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.