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Finding the Third Proportional to 171.28 and 375.75

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Solution

The third proportional to 171.28 and 375.75 is: 824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.28 : 375.75 = 375.75 : x
  2. Step 2: Convert to fraction form
    171.28/375.75 = 375.75/x
  3. Step 3: Cross multiply
    171.28x = 375.75 × 375.75
  4. Step 4: Simplify right side
    171.28x = 141,188.06
  5. Step 5: Solve for x
    x = 141,188.06/171.28
  6. Step 6: Final answer
    x = 824.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.