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Finding the Third Proportional to 18,198 and 26,700

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Solution

The third proportional to 18,198 and 26,700 is: 39,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198 : 26,700 = 26,700 : x
  2. Step 2: Convert to fraction form
    18,198/26,700 = 26,700/x
  3. Step 3: Cross multiply
    18,198x = 26,700 × 26,700
  4. Step 4: Simplify right side
    18,198x = 712,890,000
  5. Step 5: Solve for x
    x = 712,890,000/18,198
  6. Step 6: Final answer
    x = 39,174.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.