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Finding the Third Proportional to 38,888 and 80,368

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Solution

The third proportional to 38,888 and 80,368 is: 166,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888 : 80,368 = 80,368 : x
  2. Step 2: Convert to fraction form
    38,888/80,368 = 80,368/x
  3. Step 3: Cross multiply
    38,888x = 80,368 × 80,368
  4. Step 4: Simplify right side
    38,888x = 6,459,015,424
  5. Step 5: Solve for x
    x = 6,459,015,424/38,888
  6. Step 6: Final answer
    x = 166,092.76

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.