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Finding the Third Proportional to 2,220,194 and 4,777,177

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Solution

The third proportional to 2,220,194 and 4,777,177 is: 10,279,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,194 : 4,777,177 = 4,777,177 : x
  2. Step 2: Convert to fraction form
    2,220,194/4,777,177 = 4,777,177/x
  3. Step 3: Cross multiply
    2,220,194x = 4,777,177 × 4,777,177
  4. Step 4: Simplify right side
    2,220,194x = 22,821,420,089,329
  5. Step 5: Solve for x
    x = 22,821,420,089,329/2,220,194
  6. Step 6: Final answer
    x = 10,279,020.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.