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Finding the Third Proportional to 171.75 and 371.06

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Solution

The third proportional to 171.75 and 371.06 is: 801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.75 : 371.06 = 371.06 : x
  2. Step 2: Convert to fraction form
    171.75/371.06 = 371.06/x
  3. Step 3: Cross multiply
    171.75x = 371.06 × 371.06
  4. Step 4: Simplify right side
    171.75x = 137,687.38
  5. Step 5: Solve for x
    x = 137,687.38/171.75
  6. Step 6: Final answer
    x = 801.67

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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.