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Finding the Third Proportional to 5,335,661 and 7,988,891

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Solution

The third proportional to 5,335,661 and 7,988,891 is: 11,961,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335,661 : 7,988,891 = 7,988,891 : x
  2. Step 2: Convert to fraction form
    5,335,661/7,988,891 = 7,988,891/x
  3. Step 3: Cross multiply
    5,335,661x = 7,988,891 × 7,988,891
  4. Step 4: Simplify right side
    5,335,661x = 63,822,379,409,881
  5. Step 5: Solve for x
    x = 63,822,379,409,881/5,335,661
  6. Step 6: Final answer
    x = 11,961,475.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.