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Finding the Third Proportional to 20,589,993 and 43,915,878

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Solution

The third proportional to 20,589,993 and 43,915,878 is: 93,667,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,993 : 43,915,878 = 43,915,878 : x
  2. Step 2: Convert to fraction form
    20,589,993/43,915,878 = 43,915,878/x
  3. Step 3: Cross multiply
    20,589,993x = 43,915,878 × 43,915,878
  4. Step 4: Simplify right side
    20,589,993x = 1,928,604,340,510,884
  5. Step 5: Solve for x
    x = 1,928,604,340,510,884/20,589,993
  6. Step 6: Final answer
    x = 93,667,071.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.