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Finding the Third Proportional to 247.50 and 363.66

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Solution

The third proportional to 247.50 and 363.66 is: 534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.50 : 363.66 = 363.66 : x
  2. Step 2: Convert to fraction form
    247.50/363.66 = 363.66/x
  3. Step 3: Cross multiply
    247.50x = 363.66 × 363.66
  4. Step 4: Simplify right side
    247.50x = 132,245.87
  5. Step 5: Solve for x
    x = 132,245.87/247.50
  6. Step 6: Final answer
    x = 534.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.