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Finding the Third Proportional to 3,218,785 and 4,511,779

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Solution

The third proportional to 3,218,785 and 4,511,779 is: 6,324,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,785 : 4,511,779 = 4,511,779 : x
  2. Step 2: Convert to fraction form
    3,218,785/4,511,779 = 4,511,779/x
  3. Step 3: Cross multiply
    3,218,785x = 4,511,779 × 4,511,779
  4. Step 4: Simplify right side
    3,218,785x = 20,356,149,744,841
  5. Step 5: Solve for x
    x = 20,356,149,744,841/3,218,785
  6. Step 6: Final answer
    x = 6,324,171.93

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.