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Finding the Third Proportional to 4,108 and 5,979

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Solution

The third proportional to 4,108 and 5,979 is: 8,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108 : 5,979 = 5,979 : x
  2. Step 2: Convert to fraction form
    4,108/5,979 = 5,979/x
  3. Step 3: Cross multiply
    4,108x = 5,979 × 5,979
  4. Step 4: Simplify right side
    4,108x = 35,748,441
  5. Step 5: Solve for x
    x = 35,748,441/4,108
  6. Step 6: Final answer
    x = 8,702.15

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.