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Finding the Third Proportional to 5,366 and 7,843

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Solution

The third proportional to 5,366 and 7,843 is: 11,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366 : 7,843 = 7,843 : x
  2. Step 2: Convert to fraction form
    5,366/7,843 = 7,843/x
  3. Step 3: Cross multiply
    5,366x = 7,843 × 7,843
  4. Step 4: Simplify right side
    5,366x = 61,512,649
  5. Step 5: Solve for x
    x = 61,512,649/5,366
  6. Step 6: Final answer
    x = 11,463.41

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.