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Finding the Third Proportional to 5,978 and 9,606

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Solution

The third proportional to 5,978 and 9,606 is: 15,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978 : 9,606 = 9,606 : x
  2. Step 2: Convert to fraction form
    5,978/9,606 = 9,606/x
  3. Step 3: Cross multiply
    5,978x = 9,606 × 9,606
  4. Step 4: Simplify right side
    5,978x = 92,275,236
  5. Step 5: Solve for x
    x = 92,275,236/5,978
  6. Step 6: Final answer
    x = 15,435.80

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.