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Finding the Third Proportional to 6,911 and 10,759

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Solution

The third proportional to 6,911 and 10,759 is: 16,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911 : 10,759 = 10,759 : x
  2. Step 2: Convert to fraction form
    6,911/10,759 = 10,759/x
  3. Step 3: Cross multiply
    6,911x = 10,759 × 10,759
  4. Step 4: Simplify right side
    6,911x = 115,756,081
  5. Step 5: Solve for x
    x = 115,756,081/6,911
  6. Step 6: Final answer
    x = 16,749.54

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.