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Finding the Third Proportional to 17,390 and 36,244

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Solution

The third proportional to 17,390 and 36,244 is: 75,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390 : 36,244 = 36,244 : x
  2. Step 2: Convert to fraction form
    17,390/36,244 = 36,244/x
  3. Step 3: Cross multiply
    17,390x = 36,244 × 36,244
  4. Step 4: Simplify right side
    17,390x = 1,313,627,536
  5. Step 5: Solve for x
    x = 1,313,627,536/17,390
  6. Step 6: Final answer
    x = 75,539.25

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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.