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Finding the Third Proportional to 8,168 and 17,719

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Solution

The third proportional to 8,168 and 17,719 is: 38,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168 : 17,719 = 17,719 : x
  2. Step 2: Convert to fraction form
    8,168/17,719 = 17,719/x
  3. Step 3: Cross multiply
    8,168x = 17,719 × 17,719
  4. Step 4: Simplify right side
    8,168x = 313,962,961
  5. Step 5: Solve for x
    x = 313,962,961/8,168
  6. Step 6: Final answer
    x = 38,438.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.