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Finding the Third Proportional to 1,986,745.50 and 4,290,993

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Solution

The third proportional to 1,986,745.50 and 4,290,993 is: 9,267,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,745.50 : 4,290,993 = 4,290,993 : x
  2. Step 2: Convert to fraction form
    1,986,745.50/4,290,993 = 4,290,993/x
  3. Step 3: Cross multiply
    1,986,745.50x = 4,290,993 × 4,290,993
  4. Step 4: Simplify right side
    1,986,745.50x = 18,412,620,926,049
  5. Step 5: Solve for x
    x = 18,412,620,926,049/1,986,745.50
  6. Step 6: Final answer
    x = 9,267,730.03

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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.