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Finding the Third Proportional to 7,892 and 11,410

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Solution

The third proportional to 7,892 and 11,410 is: 16,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892 : 11,410 = 11,410 : x
  2. Step 2: Convert to fraction form
    7,892/11,410 = 11,410/x
  3. Step 3: Cross multiply
    7,892x = 11,410 × 11,410
  4. Step 4: Simplify right side
    7,892x = 130,188,100
  5. Step 5: Solve for x
    x = 130,188,100/7,892
  6. Step 6: Final answer
    x = 16,496.21

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.