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Finding the Third Proportional to 412,186,431 and 888,941,111

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Solution

The third proportional to 412,186,431 and 888,941,111 is: 1,917,133,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,431 : 888,941,111 = 888,941,111 : x
  2. Step 2: Convert to fraction form
    412,186,431/888,941,111 = 888,941,111/x
  3. Step 3: Cross multiply
    412,186,431x = 888,941,111 × 888,941,111
  4. Step 4: Simplify right side
    412,186,431x = 790,216,298,825,914,368
  5. Step 5: Solve for x
    x = 790,216,298,825,914,368/412,186,431
  6. Step 6: Final answer
    x = 1,917,133,217.87

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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.