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Finding the Third Proportional to 6,601 and 9,965

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Solution

The third proportional to 6,601 and 9,965 is: 15,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601 : 9,965 = 9,965 : x
  2. Step 2: Convert to fraction form
    6,601/9,965 = 9,965/x
  3. Step 3: Cross multiply
    6,601x = 9,965 × 9,965
  4. Step 4: Simplify right side
    6,601x = 99,301,225
  5. Step 5: Solve for x
    x = 99,301,225/6,601
  6. Step 6: Final answer
    x = 15,043.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.