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Finding the Third Proportional to 171.25 and 369.25

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Solution

The third proportional to 171.25 and 369.25 is: 796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.25 : 369.25 = 369.25 : x
  2. Step 2: Convert to fraction form
    171.25/369.25 = 369.25/x
  3. Step 3: Cross multiply
    171.25x = 369.25 × 369.25
  4. Step 4: Simplify right side
    171.25x = 136,345.56
  5. Step 5: Solve for x
    x = 136,345.56/171.25
  6. Step 6: Final answer
    x = 796.18

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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.