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Finding the Third Proportional to 118 and 169.88

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Solution

The third proportional to 118 and 169.88 is: 244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118 : 169.88 = 169.88 : x
  2. Step 2: Convert to fraction form
    118/169.88 = 169.88/x
  3. Step 3: Cross multiply
    118x = 169.88 × 169.88
  4. Step 4: Simplify right side
    118x = 28,857.52
  5. Step 5: Solve for x
    x = 28,857.52/118
  6. Step 6: Final answer
    x = 244.56

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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.