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Finding the Third Proportional to 18,192 and 38,000

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Solution

The third proportional to 18,192 and 38,000 is: 79,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192 : 38,000 = 38,000 : x
  2. Step 2: Convert to fraction form
    18,192/38,000 = 38,000/x
  3. Step 3: Cross multiply
    18,192x = 38,000 × 38,000
  4. Step 4: Simplify right side
    18,192x = 1,444,000,000
  5. Step 5: Solve for x
    x = 1,444,000,000/18,192
  6. Step 6: Final answer
    x = 79,375.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.