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Finding the Third Proportional to 20,431,036 and 43,961,780

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Solution

The third proportional to 20,431,036 and 43,961,780 is: 94,593,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431,036 : 43,961,780 = 43,961,780 : x
  2. Step 2: Convert to fraction form
    20,431,036/43,961,780 = 43,961,780/x
  3. Step 3: Cross multiply
    20,431,036x = 43,961,780 × 43,961,780
  4. Step 4: Simplify right side
    20,431,036x = 1,932,638,100,768,400
  5. Step 5: Solve for x
    x = 1,932,638,100,768,400/20,431,036
  6. Step 6: Final answer
    x = 94,593,250.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.