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Finding the Third Proportional to 1,842,566 and 3,986,939

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Solution

The third proportional to 1,842,566 and 3,986,939 is: 8,626,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,566 : 3,986,939 = 3,986,939 : x
  2. Step 2: Convert to fraction form
    1,842,566/3,986,939 = 3,986,939/x
  3. Step 3: Cross multiply
    1,842,566x = 3,986,939 × 3,986,939
  4. Step 4: Simplify right side
    1,842,566x = 15,895,682,589,721
  5. Step 5: Solve for x
    x = 15,895,682,589,721/1,842,566
  6. Step 6: Final answer
    x = 8,626,927.12

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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.