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Finding the Third Proportional to 1,818,589 and 3,828,878

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Solution

The third proportional to 1,818,589 and 3,828,878 is: 8,061,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,589 : 3,828,878 = 3,828,878 : x
  2. Step 2: Convert to fraction form
    1,818,589/3,828,878 = 3,828,878/x
  3. Step 3: Cross multiply
    1,818,589x = 3,828,878 × 3,828,878
  4. Step 4: Simplify right side
    1,818,589x = 14,660,306,738,884
  5. Step 5: Solve for x
    x = 14,660,306,738,884/1,818,589
  6. Step 6: Final answer
    x = 8,061,363.36

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.