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Finding the Third Proportional to 1,901,129 and 3,959,519

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Solution

The third proportional to 1,901,129 and 3,959,519 is: 8,246,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,129 : 3,959,519 = 3,959,519 : x
  2. Step 2: Convert to fraction form
    1,901,129/3,959,519 = 3,959,519/x
  3. Step 3: Cross multiply
    1,901,129x = 3,959,519 × 3,959,519
  4. Step 4: Simplify right side
    1,901,129x = 15,677,790,711,361
  5. Step 5: Solve for x
    x = 15,677,790,711,361/1,901,129
  6. Step 6: Final answer
    x = 8,246,568.60

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.