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Finding the Third Proportional to 18,892 and 29,208

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Solution

The third proportional to 18,892 and 29,208 is: 45,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892 : 29,208 = 29,208 : x
  2. Step 2: Convert to fraction form
    18,892/29,208 = 29,208/x
  3. Step 3: Cross multiply
    18,892x = 29,208 × 29,208
  4. Step 4: Simplify right side
    18,892x = 853,107,264
  5. Step 5: Solve for x
    x = 853,107,264/18,892
  6. Step 6: Final answer
    x = 45,157.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.