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Finding the Third Proportional to 126,431,891 and 275,835,908

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Solution

The third proportional to 126,431,891 and 275,835,908 is: 601,790,003.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,431,891 : 275,835,908 = 275,835,908 : x
  2. Step 2: Convert to fraction form
    126,431,891/275,835,908 = 275,835,908/x
  3. Step 3: Cross multiply
    126,431,891x = 275,835,908 × 275,835,908
  4. Step 4: Simplify right side
    126,431,891x = 76,085,448,142,184,464
  5. Step 5: Solve for x
    x = 76,085,448,142,184,464/126,431,891
  6. Step 6: Final answer
    x = 601,790,003.62

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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.