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Finding the Third Proportional to 3,906,309.75 and 8,568,987.75

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Solution

The third proportional to 3,906,309.75 and 8,568,987.75 is: 18,797,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,309.75 : 8,568,987.75 = 8,568,987.75 : x
  2. Step 2: Convert to fraction form
    3,906,309.75/8,568,987.75 = 8,568,987.75/x
  3. Step 3: Cross multiply
    3,906,309.75x = 8,568,987.75 × 8,568,987.75
  4. Step 4: Simplify right side
    3,906,309.75x = 73,427,551,059,650.06
  5. Step 5: Solve for x
    x = 73,427,551,059,650.06/3,906,309.75
  6. Step 6: Final answer
    x = 18,797,165.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.