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Finding the Third Proportional to 9,591,620 and 20,069,991

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Solution

The third proportional to 9,591,620 and 20,069,991 is: 41,995,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591,620 : 20,069,991 = 20,069,991 : x
  2. Step 2: Convert to fraction form
    9,591,620/20,069,991 = 20,069,991/x
  3. Step 3: Cross multiply
    9,591,620x = 20,069,991 × 20,069,991
  4. Step 4: Simplify right side
    9,591,620x = 402,804,538,740,081
  5. Step 5: Solve for x
    x = 402,804,538,740,081/9,591,620
  6. Step 6: Final answer
    x = 41,995,464.66

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.