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Finding the Third Proportional to 18,283 and 38,003

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Solution

The third proportional to 18,283 and 38,003 is: 78,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283 : 38,003 = 38,003 : x
  2. Step 2: Convert to fraction form
    18,283/38,003 = 38,003/x
  3. Step 3: Cross multiply
    18,283x = 38,003 × 38,003
  4. Step 4: Simplify right side
    18,283x = 1,444,228,009
  5. Step 5: Solve for x
    x = 1,444,228,009/18,283
  6. Step 6: Final answer
    x = 78,992.94

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.