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Finding the Third Proportional to 9,149,236.50 and 19,715,589

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Solution

The third proportional to 9,149,236.50 and 19,715,589 is: 42,484,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149,236.50 : 19,715,589 = 19,715,589 : x
  2. Step 2: Convert to fraction form
    9,149,236.50/19,715,589 = 19,715,589/x
  3. Step 3: Cross multiply
    9,149,236.50x = 19,715,589 × 19,715,589
  4. Step 4: Simplify right side
    9,149,236.50x = 388,704,449,616,921
  5. Step 5: Solve for x
    x = 388,704,449,616,921/9,149,236.50
  6. Step 6: Final answer
    x = 42,484,905.67

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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.