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Finding the Third Proportional to 3,939,179 and 8,568,541

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Solution

The third proportional to 3,939,179 and 8,568,541 is: 18,638,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,179 : 8,568,541 = 8,568,541 : x
  2. Step 2: Convert to fraction form
    3,939,179/8,568,541 = 8,568,541/x
  3. Step 3: Cross multiply
    3,939,179x = 8,568,541 × 8,568,541
  4. Step 4: Simplify right side
    3,939,179x = 73,419,894,868,681
  5. Step 5: Solve for x
    x = 73,419,894,868,681/3,939,179
  6. Step 6: Final answer
    x = 18,638,374.87

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Why These Related Problems?

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