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Finding the Third Proportional to 38,676 and 85,992

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Solution

The third proportional to 38,676 and 85,992 is: 191,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676 : 85,992 = 85,992 : x
  2. Step 2: Convert to fraction form
    38,676/85,992 = 85,992/x
  3. Step 3: Cross multiply
    38,676x = 85,992 × 85,992
  4. Step 4: Simplify right side
    38,676x = 7,394,624,064
  5. Step 5: Solve for x
    x = 7,394,624,064/38,676
  6. Step 6: Final answer
    x = 191,194.13

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.