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Finding the Third Proportional to 7,568 and 11,671

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Solution

The third proportional to 7,568 and 11,671 is: 17,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568 : 11,671 = 11,671 : x
  2. Step 2: Convert to fraction form
    7,568/11,671 = 11,671/x
  3. Step 3: Cross multiply
    7,568x = 11,671 × 11,671
  4. Step 4: Simplify right side
    7,568x = 136,212,241
  5. Step 5: Solve for x
    x = 136,212,241/7,568
  6. Step 6: Final answer
    x = 17,998.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.