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Finding the Third Proportional to 16,800 and 18,848

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Solution

The third proportional to 16,800 and 18,848 is: 21,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800 : 18,848 = 18,848 : x
  2. Step 2: Convert to fraction form
    16,800/18,848 = 18,848/x
  3. Step 3: Cross multiply
    16,800x = 18,848 × 18,848
  4. Step 4: Simplify right side
    16,800x = 355,247,104
  5. Step 5: Solve for x
    x = 355,247,104/16,800
  6. Step 6: Final answer
    x = 21,145.66

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.