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Finding the Third Proportional to 363.75 and 528.38

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Solution

The third proportional to 363.75 and 528.38 is: 767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.75 : 528.38 = 528.38 : x
  2. Step 2: Convert to fraction form
    363.75/528.38 = 528.38/x
  3. Step 3: Cross multiply
    363.75x = 528.38 × 528.38
  4. Step 4: Simplify right side
    363.75x = 279,180.14
  5. Step 5: Solve for x
    x = 279,180.14/363.75
  6. Step 6: Final answer
    x = 767.51

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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.