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Finding the Third Proportional to 8,388 and 17,868

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Solution

The third proportional to 8,388 and 17,868 is: 38,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388 : 17,868 = 17,868 : x
  2. Step 2: Convert to fraction form
    8,388/17,868 = 17,868/x
  3. Step 3: Cross multiply
    8,388x = 17,868 × 17,868
  4. Step 4: Simplify right side
    8,388x = 319,265,424
  5. Step 5: Solve for x
    x = 319,265,424/8,388
  6. Step 6: Final answer
    x = 38,062.16

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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.