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Finding the Third Proportional to 71,611 and 107,367

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Solution

The third proportional to 71,611 and 107,367 is: 160,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,611 : 107,367 = 107,367 : x
  2. Step 2: Convert to fraction form
    71,611/107,367 = 107,367/x
  3. Step 3: Cross multiply
    71,611x = 107,367 × 107,367
  4. Step 4: Simplify right side
    71,611x = 11,527,672,689
  5. Step 5: Solve for x
    x = 11,527,672,689/71,611
  6. Step 6: Final answer
    x = 160,976.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.