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Finding the Third Proportional to 15,180 and 33,816

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Solution

The third proportional to 15,180 and 33,816 is: 75,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180 : 33,816 = 33,816 : x
  2. Step 2: Convert to fraction form
    15,180/33,816 = 33,816/x
  3. Step 3: Cross multiply
    15,180x = 33,816 × 33,816
  4. Step 4: Simplify right side
    15,180x = 1,143,521,856
  5. Step 5: Solve for x
    x = 1,143,521,856/15,180
  6. Step 6: Final answer
    x = 75,330.82

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.