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Finding the Third Proportional to 9,311,711 and 20,354,878

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Solution

The third proportional to 9,311,711 and 20,354,878 is: 44,494,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311,711 : 20,354,878 = 20,354,878 : x
  2. Step 2: Convert to fraction form
    9,311,711/20,354,878 = 20,354,878/x
  3. Step 3: Cross multiply
    9,311,711x = 20,354,878 × 20,354,878
  4. Step 4: Simplify right side
    9,311,711x = 414,321,058,394,884
  5. Step 5: Solve for x
    x = 414,321,058,394,884/9,311,711
  6. Step 6: Final answer
    x = 44,494,621.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.