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Finding the Third Proportional to 8,847 and 12,586.50

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Solution

The third proportional to 8,847 and 12,586.50 is: 17,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847 : 12,586.50 = 12,586.50 : x
  2. Step 2: Convert to fraction form
    8,847/12,586.50 = 12,586.50/x
  3. Step 3: Cross multiply
    8,847x = 12,586.50 × 12,586.50
  4. Step 4: Simplify right side
    8,847x = 158,419,982.25
  5. Step 5: Solve for x
    x = 158,419,982.25/8,847
  6. Step 6: Final answer
    x = 17,906.63

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.