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Finding the Third Proportional to 66.94 and 125.47

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Solution

The third proportional to 66.94 and 125.47 is: 235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.94 : 125.47 = 125.47 : x
  2. Step 2: Convert to fraction form
    66.94/125.47 = 125.47/x
  3. Step 3: Cross multiply
    66.94x = 125.47 × 125.47
  4. Step 4: Simplify right side
    66.94x = 15,742.41
  5. Step 5: Solve for x
    x = 15,742.41/66.94
  6. Step 6: Final answer
    x = 235.18

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.