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Finding the Third Proportional to 8,296 and 9,640

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Solution

The third proportional to 8,296 and 9,640 is: 11,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296 : 9,640 = 9,640 : x
  2. Step 2: Convert to fraction form
    8,296/9,640 = 9,640/x
  3. Step 3: Cross multiply
    8,296x = 9,640 × 9,640
  4. Step 4: Simplify right side
    8,296x = 92,929,600
  5. Step 5: Solve for x
    x = 92,929,600/8,296
  6. Step 6: Final answer
    x = 11,201.74

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.