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Finding the Third Proportional to 223.88 and 454.13

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Solution

The third proportional to 223.88 and 454.13 is: 921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.88 : 454.13 = 454.13 : x
  2. Step 2: Convert to fraction form
    223.88/454.13 = 454.13/x
  3. Step 3: Cross multiply
    223.88x = 454.13 × 454.13
  4. Step 4: Simplify right side
    223.88x = 206,229.52
  5. Step 5: Solve for x
    x = 206,229.52/223.88
  6. Step 6: Final answer
    x = 921.18

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.