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Finding the Third Proportional to 33,800 and 51,724

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Solution

The third proportional to 33,800 and 51,724 is: 79,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,800 : 51,724 = 51,724 : x
  2. Step 2: Convert to fraction form
    33,800/51,724 = 51,724/x
  3. Step 3: Cross multiply
    33,800x = 51,724 × 51,724
  4. Step 4: Simplify right side
    33,800x = 2,675,372,176
  5. Step 5: Solve for x
    x = 2,675,372,176/33,800
  6. Step 6: Final answer
    x = 79,153.02

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.