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Finding the Third Proportional to 8,267,411 and 12,853,825

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Solution

The third proportional to 8,267,411 and 12,853,825 is: 19,984,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267,411 : 12,853,825 = 12,853,825 : x
  2. Step 2: Convert to fraction form
    8,267,411/12,853,825 = 12,853,825/x
  3. Step 3: Cross multiply
    8,267,411x = 12,853,825 × 12,853,825
  4. Step 4: Simplify right side
    8,267,411x = 165,220,817,130,625
  5. Step 5: Solve for x
    x = 165,220,817,130,625/8,267,411
  6. Step 6: Final answer
    x = 19,984,589.75

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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.