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Finding the Third Proportional to 1,796,121 and 3,990,825

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Solution

The third proportional to 1,796,121 and 3,990,825 is: 8,867,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,121 : 3,990,825 = 3,990,825 : x
  2. Step 2: Convert to fraction form
    1,796,121/3,990,825 = 3,990,825/x
  3. Step 3: Cross multiply
    1,796,121x = 3,990,825 × 3,990,825
  4. Step 4: Simplify right side
    1,796,121x = 15,926,684,180,625
  5. Step 5: Solve for x
    x = 15,926,684,180,625/1,796,121
  6. Step 6: Final answer
    x = 8,867,266.84

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.