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Finding the Third Proportional to 16,892 and 39,100

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Solution

The third proportional to 16,892 and 39,100 is: 90,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892 : 39,100 = 39,100 : x
  2. Step 2: Convert to fraction form
    16,892/39,100 = 39,100/x
  3. Step 3: Cross multiply
    16,892x = 39,100 × 39,100
  4. Step 4: Simplify right side
    16,892x = 1,528,810,000
  5. Step 5: Solve for x
    x = 1,528,810,000/16,892
  6. Step 6: Final answer
    x = 90,504.97

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.