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Finding the Third Proportional to 94.47 and 126.94

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Solution

The third proportional to 94.47 and 126.94 is: 170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.47 : 126.94 = 126.94 : x
  2. Step 2: Convert to fraction form
    94.47/126.94 = 126.94/x
  3. Step 3: Cross multiply
    94.47x = 126.94 × 126.94
  4. Step 4: Simplify right side
    94.47x = 16,113.13
  5. Step 5: Solve for x
    x = 16,113.13/94.47
  6. Step 6: Final answer
    x = 170.57

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.