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Finding the Third Proportional to 363.75 and 696

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Solution

The third proportional to 363.75 and 696 is: 1,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.75 : 696 = 696 : x
  2. Step 2: Convert to fraction form
    363.75/696 = 696/x
  3. Step 3: Cross multiply
    363.75x = 696 × 696
  4. Step 4: Simplify right side
    363.75x = 484,416
  5. Step 5: Solve for x
    x = 484,416/363.75
  6. Step 6: Final answer
    x = 1,331.73

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.