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Finding the Third Proportional to 4,759 and 6,661

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Solution

The third proportional to 4,759 and 6,661 is: 9,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759 : 6,661 = 6,661 : x
  2. Step 2: Convert to fraction form
    4,759/6,661 = 6,661/x
  3. Step 3: Cross multiply
    4,759x = 6,661 × 6,661
  4. Step 4: Simplify right side
    4,759x = 44,368,921
  5. Step 5: Solve for x
    x = 44,368,921/4,759
  6. Step 6: Final answer
    x = 9,323.16

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.