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Finding the Third Proportional to 7,976 and 11,559

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Solution

The third proportional to 7,976 and 11,559 is: 16,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976 : 11,559 = 11,559 : x
  2. Step 2: Convert to fraction form
    7,976/11,559 = 11,559/x
  3. Step 3: Cross multiply
    7,976x = 11,559 × 11,559
  4. Step 4: Simplify right side
    7,976x = 133,610,481
  5. Step 5: Solve for x
    x = 133,610,481/7,976
  6. Step 6: Final answer
    x = 16,751.56

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.