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Finding the Third Proportional to 33,395 and 72,619

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Solution

The third proportional to 33,395 and 72,619 is: 157,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,395 : 72,619 = 72,619 : x
  2. Step 2: Convert to fraction form
    33,395/72,619 = 72,619/x
  3. Step 3: Cross multiply
    33,395x = 72,619 × 72,619
  4. Step 4: Simplify right side
    33,395x = 5,273,519,161
  5. Step 5: Solve for x
    x = 5,273,519,161/33,395
  6. Step 6: Final answer
    x = 157,913.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.