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Finding the Third Proportional to 12,183.75 and 18,601.88

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Solution

The third proportional to 12,183.75 and 18,601.88 is: 28,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.75 : 18,601.88 = 18,601.88 : x
  2. Step 2: Convert to fraction form
    12,183.75/18,601.88 = 18,601.88/x
  3. Step 3: Cross multiply
    12,183.75x = 18,601.88 × 18,601.88
  4. Step 4: Simplify right side
    12,183.75x = 346,029,753.52
  5. Step 5: Solve for x
    x = 346,029,753.52/12,183.75
  6. Step 6: Final answer
    x = 28,400.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.