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Finding the Third Proportional to 1,795,816 and 3,990,211

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Solution

The third proportional to 1,795,816 and 3,990,211 is: 8,866,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,816 : 3,990,211 = 3,990,211 : x
  2. Step 2: Convert to fraction form
    1,795,816/3,990,211 = 3,990,211/x
  3. Step 3: Cross multiply
    1,795,816x = 3,990,211 × 3,990,211
  4. Step 4: Simplify right side
    1,795,816x = 15,921,783,824,521
  5. Step 5: Solve for x
    x = 15,921,783,824,521/1,795,816
  6. Step 6: Final answer
    x = 8,866,044.08

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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.