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Finding the Third Proportional to 4,757.75 and 10,028.38

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Solution

The third proportional to 4,757.75 and 10,028.38 is: 21,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.75 : 10,028.38 = 10,028.38 : x
  2. Step 2: Convert to fraction form
    4,757.75/10,028.38 = 10,028.38/x
  3. Step 3: Cross multiply
    4,757.75x = 10,028.38 × 10,028.38
  4. Step 4: Simplify right side
    4,757.75x = 100,568,305.14
  5. Step 5: Solve for x
    x = 100,568,305.14/4,757.75
  6. Step 6: Final answer
    x = 21,137.79

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.