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Finding the Third Proportional to 7,765 and 11,652

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Solution

The third proportional to 7,765 and 11,652 is: 17,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765 : 11,652 = 11,652 : x
  2. Step 2: Convert to fraction form
    7,765/11,652 = 11,652/x
  3. Step 3: Cross multiply
    7,765x = 11,652 × 11,652
  4. Step 4: Simplify right side
    7,765x = 135,769,104
  5. Step 5: Solve for x
    x = 135,769,104/7,765
  6. Step 6: Final answer
    x = 17,484.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.