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Finding the Third Proportional to 20,024 and 28,167

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Solution

The third proportional to 20,024 and 28,167 is: 39,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024 : 28,167 = 28,167 : x
  2. Step 2: Convert to fraction form
    20,024/28,167 = 28,167/x
  3. Step 3: Cross multiply
    20,024x = 28,167 × 28,167
  4. Step 4: Simplify right side
    20,024x = 793,379,889
  5. Step 5: Solve for x
    x = 793,379,889/20,024
  6. Step 6: Final answer
    x = 39,621.45

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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.