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Finding the Third Proportional to 18,552 and 39,993

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Solution

The third proportional to 18,552 and 39,993 is: 86,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552 : 39,993 = 39,993 : x
  2. Step 2: Convert to fraction form
    18,552/39,993 = 39,993/x
  3. Step 3: Cross multiply
    18,552x = 39,993 × 39,993
  4. Step 4: Simplify right side
    18,552x = 1,599,440,049
  5. Step 5: Solve for x
    x = 1,599,440,049/18,552
  6. Step 6: Final answer
    x = 86,213.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.