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Finding the Third Proportional to 8,847 and 12,631.50

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Solution

The third proportional to 8,847 and 12,631.50 is: 18,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847 : 12,631.50 = 12,631.50 : x
  2. Step 2: Convert to fraction form
    8,847/12,631.50 = 12,631.50/x
  3. Step 3: Cross multiply
    8,847x = 12,631.50 × 12,631.50
  4. Step 4: Simplify right side
    8,847x = 159,554,792.25
  5. Step 5: Solve for x
    x = 159,554,792.25/8,847
  6. Step 6: Final answer
    x = 18,034.90

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.