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Finding the Third Proportional to 5,474 and 11,770

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Solution

The third proportional to 5,474 and 11,770 is: 25,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474 : 11,770 = 11,770 : x
  2. Step 2: Convert to fraction form
    5,474/11,770 = 11,770/x
  3. Step 3: Cross multiply
    5,474x = 11,770 × 11,770
  4. Step 4: Simplify right side
    5,474x = 138,532,900
  5. Step 5: Solve for x
    x = 138,532,900/5,474
  6. Step 6: Final answer
    x = 25,307.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.