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Finding the Third Proportional to 14,320 and 20,166

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Solution

The third proportional to 14,320 and 20,166 is: 28,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320 : 20,166 = 20,166 : x
  2. Step 2: Convert to fraction form
    14,320/20,166 = 20,166/x
  3. Step 3: Cross multiply
    14,320x = 20,166 × 20,166
  4. Step 4: Simplify right side
    14,320x = 406,667,556
  5. Step 5: Solve for x
    x = 406,667,556/14,320
  6. Step 6: Final answer
    x = 28,398.57

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.