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Finding the Third Proportional to 17,978 and 26,967

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Solution

The third proportional to 17,978 and 26,967 is: 40,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,978 : 26,967 = 26,967 : x
  2. Step 2: Convert to fraction form
    17,978/26,967 = 26,967/x
  3. Step 3: Cross multiply
    17,978x = 26,967 × 26,967
  4. Step 4: Simplify right side
    17,978x = 727,219,089
  5. Step 5: Solve for x
    x = 727,219,089/17,978
  6. Step 6: Final answer
    x = 40,450.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.