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Finding the Third Proportional to 226.75 and 272.13

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Solution

The third proportional to 226.75 and 272.13 is: 326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.75 : 272.13 = 272.13 : x
  2. Step 2: Convert to fraction form
    226.75/272.13 = 272.13/x
  3. Step 3: Cross multiply
    226.75x = 272.13 × 272.13
  4. Step 4: Simplify right side
    226.75x = 74,052.02
  5. Step 5: Solve for x
    x = 74,052.02/226.75
  6. Step 6: Final answer
    x = 326.58

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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.