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Finding the Third Proportional to 20,346 and 41,996

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Solution

The third proportional to 20,346 and 41,996 is: 86,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346 : 41,996 = 41,996 : x
  2. Step 2: Convert to fraction form
    20,346/41,996 = 41,996/x
  3. Step 3: Cross multiply
    20,346x = 41,996 × 41,996
  4. Step 4: Simplify right side
    20,346x = 1,763,664,016
  5. Step 5: Solve for x
    x = 1,763,664,016/20,346
  6. Step 6: Final answer
    x = 86,683.57

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.