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Finding the Third Proportional to 1,847.75 and 4,105.75

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Solution

The third proportional to 1,847.75 and 4,105.75 is: 9,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.75 : 4,105.75 = 4,105.75 : x
  2. Step 2: Convert to fraction form
    1,847.75/4,105.75 = 4,105.75/x
  3. Step 3: Cross multiply
    1,847.75x = 4,105.75 × 4,105.75
  4. Step 4: Simplify right side
    1,847.75x = 16,857,183.06
  5. Step 5: Solve for x
    x = 16,857,183.06/1,847.75
  6. Step 6: Final answer
    x = 9,123.09

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.