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Finding the Third Proportional to 112.94 and 169.44

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Solution

The third proportional to 112.94 and 169.44 is: 254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.94 : 169.44 = 169.44 : x
  2. Step 2: Convert to fraction form
    112.94/169.44 = 169.44/x
  3. Step 3: Cross multiply
    112.94x = 169.44 × 169.44
  4. Step 4: Simplify right side
    112.94x = 28,709.07
  5. Step 5: Solve for x
    x = 28,709.07/112.94
  6. Step 6: Final answer
    x = 254.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.