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Finding the Third Proportional to 18,418,190.50 and 40,103,954

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Solution

The third proportional to 18,418,190.50 and 40,103,954 is: 87,322,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,190.50 : 40,103,954 = 40,103,954 : x
  2. Step 2: Convert to fraction form
    18,418,190.50/40,103,954 = 40,103,954/x
  3. Step 3: Cross multiply
    18,418,190.50x = 40,103,954 × 40,103,954
  4. Step 4: Simplify right side
    18,418,190.50x = 1,608,327,126,434,116
  5. Step 5: Solve for x
    x = 1,608,327,126,434,116/18,418,190.50
  6. Step 6: Final answer
    x = 87,322,754.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.