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Finding the Third Proportional to 20,286 and 23,994

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Solution

The third proportional to 20,286 and 23,994 is: 28,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286 : 23,994 = 23,994 : x
  2. Step 2: Convert to fraction form
    20,286/23,994 = 23,994/x
  3. Step 3: Cross multiply
    20,286x = 23,994 × 23,994
  4. Step 4: Simplify right side
    20,286x = 575,712,036
  5. Step 5: Solve for x
    x = 575,712,036/20,286
  6. Step 6: Final answer
    x = 28,379.77

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.