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Finding the Third Proportional to 57,972,877 and 126,362,343

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Solution

The third proportional to 57,972,877 and 126,362,343 is: 275,429,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972,877 : 126,362,343 = 126,362,343 : x
  2. Step 2: Convert to fraction form
    57,972,877/126,362,343 = 126,362,343/x
  3. Step 3: Cross multiply
    57,972,877x = 126,362,343 × 126,362,343
  4. Step 4: Simplify right side
    57,972,877x = 15,967,441,728,449,648
  5. Step 5: Solve for x
    x = 15,967,441,728,449,648/57,972,877
  6. Step 6: Final answer
    x = 275,429,520.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.