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Finding the Third Proportional to 6,872 and 14,788

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Solution

The third proportional to 6,872 and 14,788 is: 31,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872 : 14,788 = 14,788 : x
  2. Step 2: Convert to fraction form
    6,872/14,788 = 14,788/x
  3. Step 3: Cross multiply
    6,872x = 14,788 × 14,788
  4. Step 4: Simplify right side
    6,872x = 218,684,944
  5. Step 5: Solve for x
    x = 218,684,944/6,872
  6. Step 6: Final answer
    x = 31,822.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.