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Finding the Third Proportional to 8,260 and 11,702

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Solution

The third proportional to 8,260 and 11,702 is: 16,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260 : 11,702 = 11,702 : x
  2. Step 2: Convert to fraction form
    8,260/11,702 = 11,702/x
  3. Step 3: Cross multiply
    8,260x = 11,702 × 11,702
  4. Step 4: Simplify right side
    8,260x = 136,936,804
  5. Step 5: Solve for x
    x = 136,936,804/8,260
  6. Step 6: Final answer
    x = 16,578.31

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.