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Finding the Third Proportional to 382.50 and 552.38

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Solution

The third proportional to 382.50 and 552.38 is: 797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.50 : 552.38 = 552.38 : x
  2. Step 2: Convert to fraction form
    382.50/552.38 = 552.38/x
  3. Step 3: Cross multiply
    382.50x = 552.38 × 552.38
  4. Step 4: Simplify right side
    382.50x = 305,118.14
  5. Step 5: Solve for x
    x = 305,118.14/382.50
  6. Step 6: Final answer
    x = 797.69

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.