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Finding the Third Proportional to 4,121 and 8,395

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Solution

The third proportional to 4,121 and 8,395 is: 17,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121 : 8,395 = 8,395 : x
  2. Step 2: Convert to fraction form
    4,121/8,395 = 8,395/x
  3. Step 3: Cross multiply
    4,121x = 8,395 × 8,395
  4. Step 4: Simplify right side
    4,121x = 70,476,025
  5. Step 5: Solve for x
    x = 70,476,025/4,121
  6. Step 6: Final answer
    x = 17,101.68

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.