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Finding the Third Proportional to 18,002 and 39,253

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Solution

The third proportional to 18,002 and 39,253 is: 85,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002 : 39,253 = 39,253 : x
  2. Step 2: Convert to fraction form
    18,002/39,253 = 39,253/x
  3. Step 3: Cross multiply
    18,002x = 39,253 × 39,253
  4. Step 4: Simplify right side
    18,002x = 1,540,798,009
  5. Step 5: Solve for x
    x = 1,540,798,009/18,002
  6. Step 6: Final answer
    x = 85,590.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.