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Finding the Third Proportional to 15,381 and 33,635

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Solution

The third proportional to 15,381 and 33,635 is: 73,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381 : 33,635 = 33,635 : x
  2. Step 2: Convert to fraction form
    15,381/33,635 = 33,635/x
  3. Step 3: Cross multiply
    15,381x = 33,635 × 33,635
  4. Step 4: Simplify right side
    15,381x = 1,131,313,225
  5. Step 5: Solve for x
    x = 1,131,313,225/15,381
  6. Step 6: Final answer
    x = 73,552.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.