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Finding the Third Proportional to 1,803.38 and 3,966.75

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Solution

The third proportional to 1,803.38 and 3,966.75 is: 8,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.38 : 3,966.75 = 3,966.75 : x
  2. Step 2: Convert to fraction form
    1,803.38/3,966.75 = 3,966.75/x
  3. Step 3: Cross multiply
    1,803.38x = 3,966.75 × 3,966.75
  4. Step 4: Simplify right side
    1,803.38x = 15,735,105.56
  5. Step 5: Solve for x
    x = 15,735,105.56/1,803.38
  6. Step 6: Final answer
    x = 8,725.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.