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Finding the Third Proportional to 20,109,367 and 43,052,978

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Solution

The third proportional to 20,109,367 and 43,052,978 is: 92,173,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,109,367 : 43,052,978 = 43,052,978 : x
  2. Step 2: Convert to fraction form
    20,109,367/43,052,978 = 43,052,978/x
  3. Step 3: Cross multiply
    20,109,367x = 43,052,978 × 43,052,978
  4. Step 4: Simplify right side
    20,109,367x = 1,853,558,914,668,484
  5. Step 5: Solve for x
    x = 1,853,558,914,668,484/20,109,367
  6. Step 6: Final answer
    x = 92,173,906.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.