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Finding the Third Proportional to 7,581,529 and 11,647,369.50

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Solution

The third proportional to 7,581,529 and 11,647,369.50 is: 17,893,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581,529 : 11,647,369.50 = 11,647,369.50 : x
  2. Step 2: Convert to fraction form
    7,581,529/11,647,369.50 = 11,647,369.50/x
  3. Step 3: Cross multiply
    7,581,529x = 11,647,369.50 × 11,647,369.50
  4. Step 4: Simplify right side
    7,581,529x = 135,661,216,269,530.25
  5. Step 5: Solve for x
    x = 135,661,216,269,530.25/7,581,529
  6. Step 6: Final answer
    x = 17,893,648.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.