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Finding the Third Proportional to 80,286 and 122,526

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Solution

The third proportional to 80,286 and 122,526 is: 186,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,286 : 122,526 = 122,526 : x
  2. Step 2: Convert to fraction form
    80,286/122,526 = 122,526/x
  3. Step 3: Cross multiply
    80,286x = 122,526 × 122,526
  4. Step 4: Simplify right side
    80,286x = 15,012,620,676
  5. Step 5: Solve for x
    x = 15,012,620,676/80,286
  6. Step 6: Final answer
    x = 186,989.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.