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Finding the Third Proportional to 412,186,321 and 888,940,891

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Solution

The third proportional to 412,186,321 and 888,940,891 is: 1,917,132,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,321 : 888,940,891 = 888,940,891 : x
  2. Step 2: Convert to fraction form
    412,186,321/888,940,891 = 888,940,891/x
  3. Step 3: Cross multiply
    412,186,321x = 888,940,891 × 888,940,891
  4. Step 4: Simplify right side
    412,186,321x = 790,215,907,691,873,920
  5. Step 5: Solve for x
    x = 790,215,907,691,873,920/412,186,321
  6. Step 6: Final answer
    x = 1,917,132,780.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.