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Finding the Third Proportional to 512,498,076.75 and 765,388,755.56

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Solution

The third proportional to 512,498,076.75 and 765,388,755.56 is: 1,143,067,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,498,076.75 : 765,388,755.56 = 765,388,755.56 : x
  2. Step 2: Convert to fraction form
    512,498,076.75/765,388,755.56 = 765,388,755.56/x
  3. Step 3: Cross multiply
    512,498,076.75x = 765,388,755.56 × 765,388,755.56
  4. Step 4: Simplify right side
    512,498,076.75x = 585,819,947,141,512,320
  5. Step 5: Solve for x
    x = 585,819,947,141,512,320/512,498,076.75
  6. Step 6: Final answer
    x = 1,143,067,601.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.