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Finding the Third Proportional to 17,339 and 36,982

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Solution

The third proportional to 17,339 and 36,982 is: 78,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339 : 36,982 = 36,982 : x
  2. Step 2: Convert to fraction form
    17,339/36,982 = 36,982/x
  3. Step 3: Cross multiply
    17,339x = 36,982 × 36,982
  4. Step 4: Simplify right side
    17,339x = 1,367,668,324
  5. Step 5: Solve for x
    x = 1,367,668,324/17,339
  6. Step 6: Final answer
    x = 78,878.15

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.