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Finding the Third Proportional to 169.59 and 249.33

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Solution

The third proportional to 169.59 and 249.33 is: 366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.59 : 249.33 = 249.33 : x
  2. Step 2: Convert to fraction form
    169.59/249.33 = 249.33/x
  3. Step 3: Cross multiply
    169.59x = 249.33 × 249.33
  4. Step 4: Simplify right side
    169.59x = 62,164.51
  5. Step 5: Solve for x
    x = 62,164.51/169.59
  6. Step 6: Final answer
    x = 366.55

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.