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Finding the Third Proportional to 38,848 and 85,864

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Solution

The third proportional to 38,848 and 85,864 is: 189,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848 : 85,864 = 85,864 : x
  2. Step 2: Convert to fraction form
    38,848/85,864 = 85,864/x
  3. Step 3: Cross multiply
    38,848x = 85,864 × 85,864
  4. Step 4: Simplify right side
    38,848x = 7,372,626,496
  5. Step 5: Solve for x
    x = 7,372,626,496/38,848
  6. Step 6: Final answer
    x = 189,781.37

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.