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Finding the Third Proportional to 412,185,756 and 888,939,756

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Solution

The third proportional to 412,185,756 and 888,939,756 is: 1,917,130,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,185,756 : 888,939,756 = 888,939,756 : x
  2. Step 2: Convert to fraction form
    412,185,756/888,939,756 = 888,939,756/x
  3. Step 3: Cross multiply
    412,185,756x = 888,939,756 × 888,939,756
  4. Step 4: Simplify right side
    412,185,756x = 790,213,889,797,339,520
  5. Step 5: Solve for x
    x = 790,213,889,797,339,520/412,185,756
  6. Step 6: Final answer
    x = 1,917,130,512.87

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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.