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Finding the Third Proportional to 3,846,786.19 and 8,331,924.09

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Solution

The third proportional to 3,846,786.19 and 8,331,924.09 is: 18,046,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846,786.19 : 8,331,924.09 = 8,331,924.09 : x
  2. Step 2: Convert to fraction form
    3,846,786.19/8,331,924.09 = 8,331,924.09/x
  3. Step 3: Cross multiply
    3,846,786.19x = 8,331,924.09 × 8,331,924.09
  4. Step 4: Simplify right side
    3,846,786.19x = 69,420,959,104,011.76
  5. Step 5: Solve for x
    x = 69,420,959,104,011.76/3,846,786.19
  6. Step 6: Final answer
    x = 18,046,482.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.