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Finding the Third Proportional to 17,960 and 39,324

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Solution

The third proportional to 17,960 and 39,324 is: 86,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960 : 39,324 = 39,324 : x
  2. Step 2: Convert to fraction form
    17,960/39,324 = 39,324/x
  3. Step 3: Cross multiply
    17,960x = 39,324 × 39,324
  4. Step 4: Simplify right side
    17,960x = 1,546,376,976
  5. Step 5: Solve for x
    x = 1,546,376,976/17,960
  6. Step 6: Final answer
    x = 86,101.17

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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.