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Finding the Third Proportional to 33,619 and 73,153

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Solution

The third proportional to 33,619 and 73,153 is: 159,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,619 : 73,153 = 73,153 : x
  2. Step 2: Convert to fraction form
    33,619/73,153 = 73,153/x
  3. Step 3: Cross multiply
    33,619x = 73,153 × 73,153
  4. Step 4: Simplify right side
    33,619x = 5,351,361,409
  5. Step 5: Solve for x
    x = 5,351,361,409/33,619
  6. Step 6: Final answer
    x = 159,176.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.