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Finding the Third Proportional to 79,834 and 119,762

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Solution

The third proportional to 79,834 and 119,762 is: 179,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834 : 119,762 = 119,762 : x
  2. Step 2: Convert to fraction form
    79,834/119,762 = 119,762/x
  3. Step 3: Cross multiply
    79,834x = 119,762 × 119,762
  4. Step 4: Simplify right side
    79,834x = 14,342,936,644
  5. Step 5: Solve for x
    x = 14,342,936,644/79,834
  6. Step 6: Final answer
    x = 179,659.50

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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.