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Finding the Third Proportional to 226.50 and 338.81

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Solution

The third proportional to 226.50 and 338.81 is: 506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.50 : 338.81 = 338.81 : x
  2. Step 2: Convert to fraction form
    226.50/338.81 = 338.81/x
  3. Step 3: Cross multiply
    226.50x = 338.81 × 338.81
  4. Step 4: Simplify right side
    226.50x = 114,793.91
  5. Step 5: Solve for x
    x = 114,793.91/226.50
  6. Step 6: Final answer
    x = 506.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.