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Finding the Third Proportional to 57,972,879 and 126,362,349

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Solution

The third proportional to 57,972,879 and 126,362,349 is: 275,429,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972,879 : 126,362,349 = 126,362,349 : x
  2. Step 2: Convert to fraction form
    57,972,879/126,362,349 = 126,362,349/x
  3. Step 3: Cross multiply
    57,972,879x = 126,362,349 × 126,362,349
  4. Step 4: Simplify right side
    57,972,879x = 15,967,443,244,797,800
  5. Step 5: Solve for x
    x = 15,967,443,244,797,800/57,972,879
  6. Step 6: Final answer
    x = 275,429,537.40

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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.