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Finding the Third Proportional to 69,704 and 106,647

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Solution

The third proportional to 69,704 and 106,647 is: 163,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704 : 106,647 = 106,647 : x
  2. Step 2: Convert to fraction form
    69,704/106,647 = 106,647/x
  3. Step 3: Cross multiply
    69,704x = 106,647 × 106,647
  4. Step 4: Simplify right side
    69,704x = 11,373,582,609
  5. Step 5: Solve for x
    x = 11,373,582,609/69,704
  6. Step 6: Final answer
    x = 163,169.73

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.