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Finding the Third Proportional to 53,789,194 and 80,738,872

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Solution

The third proportional to 53,789,194 and 80,738,872 is: 121,190,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789,194 : 80,738,872 = 80,738,872 : x
  2. Step 2: Convert to fraction form
    53,789,194/80,738,872 = 80,738,872/x
  3. Step 3: Cross multiply
    53,789,194x = 80,738,872 × 80,738,872
  4. Step 4: Simplify right side
    53,789,194x = 6,518,765,451,832,384
  5. Step 5: Solve for x
    x = 6,518,765,451,832,384/53,789,194
  6. Step 6: Final answer
    x = 121,190,985.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.