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Finding the Third Proportional to 26,979 and 58,899

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Solution

The third proportional to 26,979 and 58,899 is: 128,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979 : 58,899 = 58,899 : x
  2. Step 2: Convert to fraction form
    26,979/58,899 = 58,899/x
  3. Step 3: Cross multiply
    26,979x = 58,899 × 58,899
  4. Step 4: Simplify right side
    26,979x = 3,469,092,201
  5. Step 5: Solve for x
    x = 3,469,092,201/26,979
  6. Step 6: Final answer
    x = 128,584.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.