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Finding the Third Proportional to 69,923 and 104,885

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Solution

The third proportional to 69,923 and 104,885 is: 157,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923 : 104,885 = 104,885 : x
  2. Step 2: Convert to fraction form
    69,923/104,885 = 104,885/x
  3. Step 3: Cross multiply
    69,923x = 104,885 × 104,885
  4. Step 4: Simplify right side
    69,923x = 11,000,863,225
  5. Step 5: Solve for x
    x = 11,000,863,225/69,923
  6. Step 6: Final answer
    x = 157,328.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.