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Finding the Third Proportional to 2,199,202 and 3,405,219

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Solution

The third proportional to 2,199,202 and 3,405,219 is: 5,272,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,202 : 3,405,219 = 3,405,219 : x
  2. Step 2: Convert to fraction form
    2,199,202/3,405,219 = 3,405,219/x
  3. Step 3: Cross multiply
    2,199,202x = 3,405,219 × 3,405,219
  4. Step 4: Simplify right side
    2,199,202x = 11,595,516,437,961
  5. Step 5: Solve for x
    x = 11,595,516,437,961/2,199,202
  6. Step 6: Final answer
    x = 5,272,601.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.