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Finding the Third Proportional to 18,689,863.50 and 27,325,230.75

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Solution

The third proportional to 18,689,863.50 and 27,325,230.75 is: 39,950,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,863.50 : 27,325,230.75 = 27,325,230.75 : x
  2. Step 2: Convert to fraction form
    18,689,863.50/27,325,230.75 = 27,325,230.75/x
  3. Step 3: Cross multiply
    18,689,863.50x = 27,325,230.75 × 27,325,230.75
  4. Step 4: Simplify right side
    18,689,863.50x = 746,668,235,540,745.50
  5. Step 5: Solve for x
    x = 746,668,235,540,745.50/18,689,863.50
  6. Step 6: Final answer
    x = 39,950,438.14

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.