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Finding the Third Proportional to 5,577 and 11,013

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Solution

The third proportional to 5,577 and 11,013 is: 21,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577 : 11,013 = 11,013 : x
  2. Step 2: Convert to fraction form
    5,577/11,013 = 11,013/x
  3. Step 3: Cross multiply
    5,577x = 11,013 × 11,013
  4. Step 4: Simplify right side
    5,577x = 121,286,169
  5. Step 5: Solve for x
    x = 121,286,169/5,577
  6. Step 6: Final answer
    x = 21,747.56

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.