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Finding the Third Proportional to 7,660 and 14,144

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Solution

The third proportional to 7,660 and 14,144 is: 26,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660 : 14,144 = 14,144 : x
  2. Step 2: Convert to fraction form
    7,660/14,144 = 14,144/x
  3. Step 3: Cross multiply
    7,660x = 14,144 × 14,144
  4. Step 4: Simplify right side
    7,660x = 200,052,736
  5. Step 5: Solve for x
    x = 200,052,736/7,660
  6. Step 6: Final answer
    x = 26,116.55

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.