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Finding the Third Proportional to 15,809 and 33,071

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Solution

The third proportional to 15,809 and 33,071 is: 69,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809 : 33,071 = 33,071 : x
  2. Step 2: Convert to fraction form
    15,809/33,071 = 33,071/x
  3. Step 3: Cross multiply
    15,809x = 33,071 × 33,071
  4. Step 4: Simplify right side
    15,809x = 1,093,691,041
  5. Step 5: Solve for x
    x = 1,093,691,041/15,809
  6. Step 6: Final answer
    x = 69,181.54

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.