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Finding the Third Proportional to 38,872 and 84,104

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Solution

The third proportional to 38,872 and 84,104 is: 181,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872 : 84,104 = 84,104 : x
  2. Step 2: Convert to fraction form
    38,872/84,104 = 84,104/x
  3. Step 3: Cross multiply
    38,872x = 84,104 × 84,104
  4. Step 4: Simplify right side
    38,872x = 7,073,482,816
  5. Step 5: Solve for x
    x = 7,073,482,816/38,872
  6. Step 6: Final answer
    x = 181,968.58

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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.