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Finding the Third Proportional to 171.94 and 372.38

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Solution

The third proportional to 171.94 and 372.38 is: 806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.94 : 372.38 = 372.38 : x
  2. Step 2: Convert to fraction form
    171.94/372.38 = 372.38/x
  3. Step 3: Cross multiply
    171.94x = 372.38 × 372.38
  4. Step 4: Simplify right side
    171.94x = 138,663.14
  5. Step 5: Solve for x
    x = 138,663.14/171.94
  6. Step 6: Final answer
    x = 806.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.