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Finding the Third Proportional to 82,325 and 176,921

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Solution

The third proportional to 82,325 and 176,921 is: 380,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,325 : 176,921 = 176,921 : x
  2. Step 2: Convert to fraction form
    82,325/176,921 = 176,921/x
  3. Step 3: Cross multiply
    82,325x = 176,921 × 176,921
  4. Step 4: Simplify right side
    82,325x = 31,301,040,241
  5. Step 5: Solve for x
    x = 31,301,040,241/82,325
  6. Step 6: Final answer
    x = 380,213.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.