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Finding the Third Proportional to 18,203,322 and 39,108,075

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Solution

The third proportional to 18,203,322 and 39,108,075 is: 84,019,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,322 : 39,108,075 = 39,108,075 : x
  2. Step 2: Convert to fraction form
    18,203,322/39,108,075 = 39,108,075/x
  3. Step 3: Cross multiply
    18,203,322x = 39,108,075 × 39,108,075
  4. Step 4: Simplify right side
    18,203,322x = 1,529,441,530,205,625
  5. Step 5: Solve for x
    x = 1,529,441,530,205,625/18,203,322
  6. Step 6: Final answer
    x = 84,019,912.97

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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.