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Finding the Third Proportional to 8,850 and 12,721.50

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Solution

The third proportional to 8,850 and 12,721.50 is: 18,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850 : 12,721.50 = 12,721.50 : x
  2. Step 2: Convert to fraction form
    8,850/12,721.50 = 12,721.50/x
  3. Step 3: Cross multiply
    8,850x = 12,721.50 × 12,721.50
  4. Step 4: Simplify right side
    8,850x = 161,836,562.25
  5. Step 5: Solve for x
    x = 161,836,562.25/8,850
  6. Step 6: Final answer
    x = 18,286.62

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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.