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Finding the Third Proportional to 20,790 and 24,006

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Solution

The third proportional to 20,790 and 24,006 is: 27,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790 : 24,006 = 24,006 : x
  2. Step 2: Convert to fraction form
    20,790/24,006 = 24,006/x
  3. Step 3: Cross multiply
    20,790x = 24,006 × 24,006
  4. Step 4: Simplify right side
    20,790x = 576,288,036
  5. Step 5: Solve for x
    x = 576,288,036/20,790
  6. Step 6: Final answer
    x = 27,719.48

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.