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Finding the Third Proportional to 3,162 and 6,229.50

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Solution

The third proportional to 3,162 and 6,229.50 is: 12,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162 : 6,229.50 = 6,229.50 : x
  2. Step 2: Convert to fraction form
    3,162/6,229.50 = 6,229.50/x
  3. Step 3: Cross multiply
    3,162x = 6,229.50 × 6,229.50
  4. Step 4: Simplify right side
    3,162x = 38,806,670.25
  5. Step 5: Solve for x
    x = 38,806,670.25/3,162
  6. Step 6: Final answer
    x = 12,272.82

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.