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Finding the Third Proportional to 146,982 and 220,671

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Solution

The third proportional to 146,982 and 220,671 is: 331,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,982 : 220,671 = 220,671 : x
  2. Step 2: Convert to fraction form
    146,982/220,671 = 220,671/x
  3. Step 3: Cross multiply
    146,982x = 220,671 × 220,671
  4. Step 4: Simplify right side
    146,982x = 48,695,690,241
  5. Step 5: Solve for x
    x = 48,695,690,241/146,982
  6. Step 6: Final answer
    x = 331,303.77

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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.