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Finding the Third Proportional to 20,091 and 43,706

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Solution

The third proportional to 20,091 and 43,706 is: 95,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091 : 43,706 = 43,706 : x
  2. Step 2: Convert to fraction form
    20,091/43,706 = 43,706/x
  3. Step 3: Cross multiply
    20,091x = 43,706 × 43,706
  4. Step 4: Simplify right side
    20,091x = 1,910,214,436
  5. Step 5: Solve for x
    x = 1,910,214,436/20,091
  6. Step 6: Final answer
    x = 95,078.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.