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Finding the Third Proportional to 69,879 and 110,704.50

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Solution

The third proportional to 69,879 and 110,704.50 is: 175,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879 : 110,704.50 = 110,704.50 : x
  2. Step 2: Convert to fraction form
    69,879/110,704.50 = 110,704.50/x
  3. Step 3: Cross multiply
    69,879x = 110,704.50 × 110,704.50
  4. Step 4: Simplify right side
    69,879x = 12,255,486,320.25
  5. Step 5: Solve for x
    x = 12,255,486,320.25/69,879
  6. Step 6: Final answer
    x = 175,381.54

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.