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Finding the Third Proportional to 171.38 and 369.56

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Solution

The third proportional to 171.38 and 369.56 is: 796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.38 : 369.56 = 369.56 : x
  2. Step 2: Convert to fraction form
    171.38/369.56 = 369.56/x
  3. Step 3: Cross multiply
    171.38x = 369.56 × 369.56
  4. Step 4: Simplify right side
    171.38x = 136,576.44
  5. Step 5: Solve for x
    x = 136,576.44/171.38
  6. Step 6: Final answer
    x = 796.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.