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Finding the Third Proportional to 38,296 and 81,008

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Solution

The third proportional to 38,296 and 81,008 is: 171,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,296 : 81,008 = 81,008 : x
  2. Step 2: Convert to fraction form
    38,296/81,008 = 81,008/x
  3. Step 3: Cross multiply
    38,296x = 81,008 × 81,008
  4. Step 4: Simplify right side
    38,296x = 6,562,296,064
  5. Step 5: Solve for x
    x = 6,562,296,064/38,296
  6. Step 6: Final answer
    x = 171,357.22

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.