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Finding the Third Proportional to 169.25 and 371

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Solution

The third proportional to 169.25 and 371 is: 813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.25 : 371 = 371 : x
  2. Step 2: Convert to fraction form
    169.25/371 = 371/x
  3. Step 3: Cross multiply
    169.25x = 371 × 371
  4. Step 4: Simplify right side
    169.25x = 137,641
  5. Step 5: Solve for x
    x = 137,641/169.25
  6. Step 6: Final answer
    x = 813.24

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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.