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Finding the Third Proportional to 18,628.44 and 28,183.44

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Solution

The third proportional to 18,628.44 and 28,183.44 is: 42,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.44 : 28,183.44 = 28,183.44 : x
  2. Step 2: Convert to fraction form
    18,628.44/28,183.44 = 28,183.44/x
  3. Step 3: Cross multiply
    18,628.44x = 28,183.44 × 28,183.44
  4. Step 4: Simplify right side
    18,628.44x = 794,306,149.32
  5. Step 5: Solve for x
    x = 794,306,149.32/18,628.44
  6. Step 6: Final answer
    x = 42,639.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.