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Finding the Third Proportional to 232.88 and 279.56

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Solution

The third proportional to 232.88 and 279.56 is: 335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.88 : 279.56 = 279.56 : x
  2. Step 2: Convert to fraction form
    232.88/279.56 = 279.56/x
  3. Step 3: Cross multiply
    232.88x = 279.56 × 279.56
  4. Step 4: Simplify right side
    232.88x = 78,155.19
  5. Step 5: Solve for x
    x = 78,155.19/232.88
  6. Step 6: Final answer
    x = 335.61

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.