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Finding the Third Proportional to 4,263,978 and 9,275,051

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Solution

The third proportional to 4,263,978 and 9,275,051 is: 20,175,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263,978 : 9,275,051 = 9,275,051 : x
  2. Step 2: Convert to fraction form
    4,263,978/9,275,051 = 9,275,051/x
  3. Step 3: Cross multiply
    4,263,978x = 9,275,051 × 9,275,051
  4. Step 4: Simplify right side
    4,263,978x = 86,026,571,052,601
  5. Step 5: Solve for x
    x = 86,026,571,052,601/4,263,978
  6. Step 6: Final answer
    x = 20,175,191.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.