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Finding the Third Proportional to 251.38 and 363.38

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Solution

The third proportional to 251.38 and 363.38 is: 525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.38 : 363.38 = 363.38 : x
  2. Step 2: Convert to fraction form
    251.38/363.38 = 363.38/x
  3. Step 3: Cross multiply
    251.38x = 363.38 × 363.38
  4. Step 4: Simplify right side
    251.38x = 132,041.39
  5. Step 5: Solve for x
    x = 132,041.39/251.38
  6. Step 6: Final answer
    x = 525.28

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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.