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Finding the Third Proportional to 20,167 and 43,411

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Solution

The third proportional to 20,167 and 43,411 is: 93,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167 : 43,411 = 43,411 : x
  2. Step 2: Convert to fraction form
    20,167/43,411 = 43,411/x
  3. Step 3: Cross multiply
    20,167x = 43,411 × 43,411
  4. Step 4: Simplify right side
    20,167x = 1,884,514,921
  5. Step 5: Solve for x
    x = 1,884,514,921/20,167
  6. Step 6: Final answer
    x = 93,445.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.