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Finding the Third Proportional to 225.88 and 338.88

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Solution

The third proportional to 225.88 and 338.88 is: 508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.88 : 338.88 = 338.88 : x
  2. Step 2: Convert to fraction form
    225.88/338.88 = 338.88/x
  3. Step 3: Cross multiply
    225.88x = 338.88 × 338.88
  4. Step 4: Simplify right side
    225.88x = 114,836.27
  5. Step 5: Solve for x
    x = 114,836.27/225.88
  6. Step 6: Final answer
    x = 508.41

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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.