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Finding the Third Proportional to 8,656 and 9,616

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Solution

The third proportional to 8,656 and 9,616 is: 10,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656 : 9,616 = 9,616 : x
  2. Step 2: Convert to fraction form
    8,656/9,616 = 9,616/x
  3. Step 3: Cross multiply
    8,656x = 9,616 × 9,616
  4. Step 4: Simplify right side
    8,656x = 92,467,456
  5. Step 5: Solve for x
    x = 92,467,456/8,656
  6. Step 6: Final answer
    x = 10,682.47

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.