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Finding the Third Proportional to 1,805,170 and 3,964,653

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Solution

The third proportional to 1,805,170 and 3,964,653 is: 8,707,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,170 : 3,964,653 = 3,964,653 : x
  2. Step 2: Convert to fraction form
    1,805,170/3,964,653 = 3,964,653/x
  3. Step 3: Cross multiply
    1,805,170x = 3,964,653 × 3,964,653
  4. Step 4: Simplify right side
    1,805,170x = 15,718,473,410,409
  5. Step 5: Solve for x
    x = 15,718,473,410,409/1,805,170
  6. Step 6: Final answer
    x = 8,707,475.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.