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Finding the Third Proportional to 412,186,279 and 888,940,815

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Solution

The third proportional to 412,186,279 and 888,940,815 is: 1,917,132,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,279 : 888,940,815 = 888,940,815 : x
  2. Step 2: Convert to fraction form
    412,186,279/888,940,815 = 888,940,815/x
  3. Step 3: Cross multiply
    412,186,279x = 888,940,815 × 888,940,815
  4. Step 4: Simplify right side
    412,186,279x = 790,215,772,572,864,256
  5. Step 5: Solve for x
    x = 790,215,772,572,864,256/412,186,279
  6. Step 6: Final answer
    x = 1,917,132,648.11

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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.