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Finding the Third Proportional to 33,024 and 68,736

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Solution

The third proportional to 33,024 and 68,736 is: 143,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,024 : 68,736 = 68,736 : x
  2. Step 2: Convert to fraction form
    33,024/68,736 = 68,736/x
  3. Step 3: Cross multiply
    33,024x = 68,736 × 68,736
  4. Step 4: Simplify right side
    33,024x = 4,724,637,696
  5. Step 5: Solve for x
    x = 4,724,637,696/33,024
  6. Step 6: Final answer
    x = 143,066.79

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.