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Finding the Third Proportional to 9,362,961 and 20,122,686

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Solution

The third proportional to 9,362,961 and 20,122,686 is: 43,247,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,961 : 20,122,686 = 20,122,686 : x
  2. Step 2: Convert to fraction form
    9,362,961/20,122,686 = 20,122,686/x
  3. Step 3: Cross multiply
    9,362,961x = 20,122,686 × 20,122,686
  4. Step 4: Simplify right side
    9,362,961x = 404,922,491,854,596
  5. Step 5: Solve for x
    x = 404,922,491,854,596/9,362,961
  6. Step 6: Final answer
    x = 43,247,268.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.