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Finding the Third Proportional to 192.38 and 452.75

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Solution

The third proportional to 192.38 and 452.75 is: 1,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.38 : 452.75 = 452.75 : x
  2. Step 2: Convert to fraction form
    192.38/452.75 = 452.75/x
  3. Step 3: Cross multiply
    192.38x = 452.75 × 452.75
  4. Step 4: Simplify right side
    192.38x = 204,982.56
  5. Step 5: Solve for x
    x = 204,982.56/192.38
  6. Step 6: Final answer
    x = 1,065.54

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.