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Finding the Third Proportional to 8,816 and 10,652

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Solution

The third proportional to 8,816 and 10,652 is: 12,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816 : 10,652 = 10,652 : x
  2. Step 2: Convert to fraction form
    8,816/10,652 = 10,652/x
  3. Step 3: Cross multiply
    8,816x = 10,652 × 10,652
  4. Step 4: Simplify right side
    8,816x = 113,465,104
  5. Step 5: Solve for x
    x = 113,465,104/8,816
  6. Step 6: Final answer
    x = 12,870.36

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.