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Finding the Third Proportional to 38,288 and 80,992

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Solution

The third proportional to 38,288 and 80,992 is: 171,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288 : 80,992 = 80,992 : x
  2. Step 2: Convert to fraction form
    38,288/80,992 = 80,992/x
  3. Step 3: Cross multiply
    38,288x = 80,992 × 80,992
  4. Step 4: Simplify right side
    38,288x = 6,559,704,064
  5. Step 5: Solve for x
    x = 6,559,704,064/38,288
  6. Step 6: Final answer
    x = 171,325.33

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.