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Finding the Third Proportional to 12,837 and 27,861

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Solution

The third proportional to 12,837 and 27,861 is: 60,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837 : 27,861 = 27,861 : x
  2. Step 2: Convert to fraction form
    12,837/27,861 = 27,861/x
  3. Step 3: Cross multiply
    12,837x = 27,861 × 27,861
  4. Step 4: Simplify right side
    12,837x = 776,235,321
  5. Step 5: Solve for x
    x = 776,235,321/12,837
  6. Step 6: Final answer
    x = 60,468.59

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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.