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Finding the Third Proportional to 412,186,515 and 888,941,279

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Solution

The third proportional to 412,186,515 and 888,941,279 is: 1,917,133,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,515 : 888,941,279 = 888,941,279 : x
  2. Step 2: Convert to fraction form
    412,186,515/888,941,279 = 888,941,279/x
  3. Step 3: Cross multiply
    412,186,515x = 888,941,279 × 888,941,279
  4. Step 4: Simplify right side
    412,186,515x = 790,216,597,510,155,904
  5. Step 5: Solve for x
    x = 790,216,597,510,155,904/412,186,515
  6. Step 6: Final answer
    x = 1,917,133,551.81

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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.