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Finding the Third Proportional to 15,674 and 33,622

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Solution

The third proportional to 15,674 and 33,622 is: 72,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674 : 33,622 = 33,622 : x
  2. Step 2: Convert to fraction form
    15,674/33,622 = 33,622/x
  3. Step 3: Cross multiply
    15,674x = 33,622 × 33,622
  4. Step 4: Simplify right side
    15,674x = 1,130,438,884
  5. Step 5: Solve for x
    x = 1,130,438,884/15,674
  6. Step 6: Final answer
    x = 72,121.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.