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Finding the Third Proportional to 4,107 and 5,980

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Solution

The third proportional to 4,107 and 5,980 is: 8,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107 : 5,980 = 5,980 : x
  2. Step 2: Convert to fraction form
    4,107/5,980 = 5,980/x
  3. Step 3: Cross multiply
    4,107x = 5,980 × 5,980
  4. Step 4: Simplify right side
    4,107x = 35,760,400
  5. Step 5: Solve for x
    x = 35,760,400/4,107
  6. Step 6: Final answer
    x = 8,707.18

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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.