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Finding the Third Proportional to 79,834 and 133,051

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Solution

The third proportional to 79,834 and 133,051 is: 221,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834 : 133,051 = 133,051 : x
  2. Step 2: Convert to fraction form
    79,834/133,051 = 133,051/x
  3. Step 3: Cross multiply
    79,834x = 133,051 × 133,051
  4. Step 4: Simplify right side
    79,834x = 17,702,568,601
  5. Step 5: Solve for x
    x = 17,702,568,601/79,834
  6. Step 6: Final answer
    x = 221,742.22

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.