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Finding the Third Proportional to 20,401,950 and 43,106,635

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Solution

The third proportional to 20,401,950 and 43,106,635 is: 91,078,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,950 : 43,106,635 = 43,106,635 : x
  2. Step 2: Convert to fraction form
    20,401,950/43,106,635 = 43,106,635/x
  3. Step 3: Cross multiply
    20,401,950x = 43,106,635 × 43,106,635
  4. Step 4: Simplify right side
    20,401,950x = 1,858,181,981,023,225
  5. Step 5: Solve for x
    x = 1,858,181,981,023,225/20,401,950
  6. Step 6: Final answer
    x = 91,078,645.96

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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.