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Finding the Third Proportional to 3,149,868 and 4,886,637

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Solution

The third proportional to 3,149,868 and 4,886,637 is: 7,581,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,868 : 4,886,637 = 4,886,637 : x
  2. Step 2: Convert to fraction form
    3,149,868/4,886,637 = 4,886,637/x
  3. Step 3: Cross multiply
    3,149,868x = 4,886,637 × 4,886,637
  4. Step 4: Simplify right side
    3,149,868x = 23,879,221,169,769
  5. Step 5: Solve for x
    x = 23,879,221,169,769/3,149,868
  6. Step 6: Final answer
    x = 7,581,022.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.