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Finding the Third Proportional to 39,028 and 84,204

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Solution

The third proportional to 39,028 and 84,204 is: 181,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028 : 84,204 = 84,204 : x
  2. Step 2: Convert to fraction form
    39,028/84,204 = 84,204/x
  3. Step 3: Cross multiply
    39,028x = 84,204 × 84,204
  4. Step 4: Simplify right side
    39,028x = 7,090,313,616
  5. Step 5: Solve for x
    x = 7,090,313,616/39,028
  6. Step 6: Final answer
    x = 181,672.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.