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Finding the Third Proportional to 9,800 and 14,279

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Solution

The third proportional to 9,800 and 14,279 is: 20,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800 : 14,279 = 14,279 : x
  2. Step 2: Convert to fraction form
    9,800/14,279 = 14,279/x
  3. Step 3: Cross multiply
    9,800x = 14,279 × 14,279
  4. Step 4: Simplify right side
    9,800x = 203,889,841
  5. Step 5: Solve for x
    x = 203,889,841/9,800
  6. Step 6: Final answer
    x = 20,805.09

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.