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Finding the Third Proportional to 412,186,340 and 888,940,930

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Solution

The third proportional to 412,186,340 and 888,940,930 is: 1,917,132,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,340 : 888,940,930 = 888,940,930 : x
  2. Step 2: Convert to fraction form
    412,186,340/888,940,930 = 888,940,930/x
  3. Step 3: Cross multiply
    412,186,340x = 888,940,930 × 888,940,930
  4. Step 4: Simplify right side
    412,186,340x = 790,215,977,029,264,896
  5. Step 5: Solve for x
    x = 790,215,977,029,264,896/412,186,340
  6. Step 6: Final answer
    x = 1,917,132,860.42

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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.