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Finding the Third Proportional to 82.25 and 179

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Solution

The third proportional to 82.25 and 179 is: 389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.25 : 179 = 179 : x
  2. Step 2: Convert to fraction form
    82.25/179 = 179/x
  3. Step 3: Cross multiply
    82.25x = 179 × 179
  4. Step 4: Simplify right side
    82.25x = 32,041
  5. Step 5: Solve for x
    x = 32,041/82.25
  6. Step 6: Final answer
    x = 389.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.