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Finding the Third Proportional to 249.50 and 552

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Solution

The third proportional to 249.50 and 552 is: 1,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.50 : 552 = 552 : x
  2. Step 2: Convert to fraction form
    249.50/552 = 552/x
  3. Step 3: Cross multiply
    249.50x = 552 × 552
  4. Step 4: Simplify right side
    249.50x = 304,704
  5. Step 5: Solve for x
    x = 304,704/249.50
  6. Step 6: Final answer
    x = 1,221.26

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.