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Finding the Third Proportional to 412,186,478 and 888,941,212

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Solution

The third proportional to 412,186,478 and 888,941,212 is: 1,917,133,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,478 : 888,941,212 = 888,941,212 : x
  2. Step 2: Convert to fraction form
    412,186,478/888,941,212 = 888,941,212/x
  3. Step 3: Cross multiply
    412,186,478x = 888,941,212 × 888,941,212
  4. Step 4: Simplify right side
    412,186,478x = 790,216,478,392,028,928
  5. Step 5: Solve for x
    x = 790,216,478,392,028,928/412,186,478
  6. Step 6: Final answer
    x = 1,917,133,434.91

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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.