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Finding the Third Proportional to 226.13 and 379.69

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Solution

The third proportional to 226.13 and 379.69 is: 637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.13 : 379.69 = 379.69 : x
  2. Step 2: Convert to fraction form
    226.13/379.69 = 379.69/x
  3. Step 3: Cross multiply
    226.13x = 379.69 × 379.69
  4. Step 4: Simplify right side
    226.13x = 144,162.60
  5. Step 5: Solve for x
    x = 144,162.60/226.13
  6. Step 6: Final answer
    x = 637.53

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.