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Finding the Third Proportional to 3,899.44 and 6,109.13

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Solution

The third proportional to 3,899.44 and 6,109.13 is: 9,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.44 : 6,109.13 = 6,109.13 : x
  2. Step 2: Convert to fraction form
    3,899.44/6,109.13 = 6,109.13/x
  3. Step 3: Cross multiply
    3,899.44x = 6,109.13 × 6,109.13
  4. Step 4: Simplify right side
    3,899.44x = 37,321,408.27
  5. Step 5: Solve for x
    x = 37,321,408.27/3,899.44
  6. Step 6: Final answer
    x = 9,570.97

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.