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Finding the Third Proportional to 11,987 and 24,450

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Solution

The third proportional to 11,987 and 24,450 is: 49,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987 : 24,450 = 24,450 : x
  2. Step 2: Convert to fraction form
    11,987/24,450 = 24,450/x
  3. Step 3: Cross multiply
    11,987x = 24,450 × 24,450
  4. Step 4: Simplify right side
    11,987x = 597,802,500
  5. Step 5: Solve for x
    x = 597,802,500/11,987
  6. Step 6: Final answer
    x = 49,870.90

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.