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Finding the Third Proportional to 17,319 and 26,105

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Solution

The third proportional to 17,319 and 26,105 is: 39,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319 : 26,105 = 26,105 : x
  2. Step 2: Convert to fraction form
    17,319/26,105 = 26,105/x
  3. Step 3: Cross multiply
    17,319x = 26,105 × 26,105
  4. Step 4: Simplify right side
    17,319x = 681,471,025
  5. Step 5: Solve for x
    x = 681,471,025/17,319
  6. Step 6: Final answer
    x = 39,348.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.