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Finding the Third Proportional to 120,966 and 188,073

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Solution

The third proportional to 120,966 and 188,073 is: 292,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,966 : 188,073 = 188,073 : x
  2. Step 2: Convert to fraction form
    120,966/188,073 = 188,073/x
  3. Step 3: Cross multiply
    120,966x = 188,073 × 188,073
  4. Step 4: Simplify right side
    120,966x = 35,371,453,329
  5. Step 5: Solve for x
    x = 35,371,453,329/120,966
  6. Step 6: Final answer
    x = 292,408.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.