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Finding the Third Proportional to 17,939 and 26,800

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Solution

The third proportional to 17,939 and 26,800 is: 40,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939 : 26,800 = 26,800 : x
  2. Step 2: Convert to fraction form
    17,939/26,800 = 26,800/x
  3. Step 3: Cross multiply
    17,939x = 26,800 × 26,800
  4. Step 4: Simplify right side
    17,939x = 718,240,000
  5. Step 5: Solve for x
    x = 718,240,000/17,939
  6. Step 6: Final answer
    x = 40,037.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.