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Finding the Third Proportional to 39,006 and 84,249

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Solution

The third proportional to 39,006 and 84,249 is: 181,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006 : 84,249 = 84,249 : x
  2. Step 2: Convert to fraction form
    39,006/84,249 = 84,249/x
  3. Step 3: Cross multiply
    39,006x = 84,249 × 84,249
  4. Step 4: Simplify right side
    39,006x = 7,097,894,001
  5. Step 5: Solve for x
    x = 7,097,894,001/39,006
  6. Step 6: Final answer
    x = 181,969.29

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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.