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Finding the Third Proportional to 3,939,187 and 8,568,555

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Solution

The third proportional to 3,939,187 and 8,568,555 is: 18,638,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,187 : 8,568,555 = 8,568,555 : x
  2. Step 2: Convert to fraction form
    3,939,187/8,568,555 = 8,568,555/x
  3. Step 3: Cross multiply
    3,939,187x = 8,568,555 × 8,568,555
  4. Step 4: Simplify right side
    3,939,187x = 73,420,134,788,025
  5. Step 5: Solve for x
    x = 73,420,134,788,025/3,939,187
  6. Step 6: Final answer
    x = 18,638,397.92

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.