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Finding the Third Proportional to 57,786,992 and 120,356,980

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Solution

The third proportional to 57,786,992 and 120,356,980 is: 250,675,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,786,992 : 120,356,980 = 120,356,980 : x
  2. Step 2: Convert to fraction form
    57,786,992/120,356,980 = 120,356,980/x
  3. Step 3: Cross multiply
    57,786,992x = 120,356,980 × 120,356,980
  4. Step 4: Simplify right side
    57,786,992x = 14,485,802,634,720,400
  5. Step 5: Solve for x
    x = 14,485,802,634,720,400/57,786,992
  6. Step 6: Final answer
    x = 250,675,837.82

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.