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Finding the Third Proportional to 226.25 and 338.88

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Solution

The third proportional to 226.25 and 338.88 is: 507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.25 : 338.88 = 338.88 : x
  2. Step 2: Convert to fraction form
    226.25/338.88 = 338.88/x
  3. Step 3: Cross multiply
    226.25x = 338.88 × 338.88
  4. Step 4: Simplify right side
    226.25x = 114,836.27
  5. Step 5: Solve for x
    x = 114,836.27/226.25
  6. Step 6: Final answer
    x = 507.56

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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.