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Finding the Third Proportional to 249.88 and 363.50

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Solution

The third proportional to 249.88 and 363.50 is: 528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.88 : 363.50 = 363.50 : x
  2. Step 2: Convert to fraction form
    249.88/363.50 = 363.50/x
  3. Step 3: Cross multiply
    249.88x = 363.50 × 363.50
  4. Step 4: Simplify right side
    249.88x = 132,132.25
  5. Step 5: Solve for x
    x = 132,132.25/249.88
  6. Step 6: Final answer
    x = 528.79

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.