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Finding the Third Proportional to 18,011 and 38,797

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Solution

The third proportional to 18,011 and 38,797 is: 83,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011 : 38,797 = 38,797 : x
  2. Step 2: Convert to fraction form
    18,011/38,797 = 38,797/x
  3. Step 3: Cross multiply
    18,011x = 38,797 × 38,797
  4. Step 4: Simplify right side
    18,011x = 1,505,207,209
  5. Step 5: Solve for x
    x = 1,505,207,209/18,011
  6. Step 6: Final answer
    x = 83,571.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.