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Finding the Third Proportional to 20,431,128 and 43,961,992

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Solution

The third proportional to 20,431,128 and 43,961,992 is: 94,593,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431,128 : 43,961,992 = 43,961,992 : x
  2. Step 2: Convert to fraction form
    20,431,128/43,961,992 = 43,961,992/x
  3. Step 3: Cross multiply
    20,431,128x = 43,961,992 × 43,961,992
  4. Step 4: Simplify right side
    20,431,128x = 1,932,656,740,608,064
  5. Step 5: Solve for x
    x = 1,932,656,740,608,064/20,431,128
  6. Step 6: Final answer
    x = 94,593,736.61

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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.