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Finding the Third Proportional to 96.75 and 125.38

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Solution

The third proportional to 96.75 and 125.38 is: 162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.75 : 125.38 = 125.38 : x
  2. Step 2: Convert to fraction form
    96.75/125.38 = 125.38/x
  3. Step 3: Cross multiply
    96.75x = 125.38 × 125.38
  4. Step 4: Simplify right side
    96.75x = 15,718.89
  5. Step 5: Solve for x
    x = 15,718.89/96.75
  6. Step 6: Final answer
    x = 162.47

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.