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Finding the Third Proportional to 1,940,351.63 and 4,081,782.38

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Solution

The third proportional to 1,940,351.63 and 4,081,782.38 is: 8,586,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,351.63 : 4,081,782.38 = 4,081,782.38 : x
  2. Step 2: Convert to fraction form
    1,940,351.63/4,081,782.38 = 4,081,782.38/x
  3. Step 3: Cross multiply
    1,940,351.63x = 4,081,782.38 × 4,081,782.38
  4. Step 4: Simplify right side
    1,940,351.63x = 16,660,947,356,860.64
  5. Step 5: Solve for x
    x = 16,660,947,356,860.64/1,940,351.63
  6. Step 6: Final answer
    x = 8,586,560.88

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.