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Finding the Third Proportional to 20,154 and 33,305

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Solution

The third proportional to 20,154 and 33,305 is: 55,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154 : 33,305 = 33,305 : x
  2. Step 2: Convert to fraction form
    20,154/33,305 = 33,305/x
  3. Step 3: Cross multiply
    20,154x = 33,305 × 33,305
  4. Step 4: Simplify right side
    20,154x = 1,109,223,025
  5. Step 5: Solve for x
    x = 1,109,223,025/20,154
  6. Step 6: Final answer
    x = 55,037.36

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.