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Finding the Third Proportional to 3,567 and 7,805

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Solution

The third proportional to 3,567 and 7,805 is: 17,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567 : 7,805 = 7,805 : x
  2. Step 2: Convert to fraction form
    3,567/7,805 = 7,805/x
  3. Step 3: Cross multiply
    3,567x = 7,805 × 7,805
  4. Step 4: Simplify right side
    3,567x = 60,918,025
  5. Step 5: Solve for x
    x = 60,918,025/3,567
  6. Step 6: Final answer
    x = 17,078.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.