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Finding the Third Proportional to 7,787 and 8,843

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Solution

The third proportional to 7,787 and 8,843 is: 10,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787 : 8,843 = 8,843 : x
  2. Step 2: Convert to fraction form
    7,787/8,843 = 8,843/x
  3. Step 3: Cross multiply
    7,787x = 8,843 × 8,843
  4. Step 4: Simplify right side
    7,787x = 78,198,649
  5. Step 5: Solve for x
    x = 78,198,649/7,787
  6. Step 6: Final answer
    x = 10,042.20

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.