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Finding the Third Proportional to 112.13 and 232.69

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Solution

The third proportional to 112.13 and 232.69 is: 482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.13 : 232.69 = 232.69 : x
  2. Step 2: Convert to fraction form
    112.13/232.69 = 232.69/x
  3. Step 3: Cross multiply
    112.13x = 232.69 × 232.69
  4. Step 4: Simplify right side
    112.13x = 54,143.47
  5. Step 5: Solve for x
    x = 54,143.47/112.13
  6. Step 6: Final answer
    x = 482.88

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.