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Finding the Third Proportional to 146,210 and 220,394

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Solution

The third proportional to 146,210 and 220,394 is: 332,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,210 : 220,394 = 220,394 : x
  2. Step 2: Convert to fraction form
    146,210/220,394 = 220,394/x
  3. Step 3: Cross multiply
    146,210x = 220,394 × 220,394
  4. Step 4: Simplify right side
    146,210x = 48,573,515,236
  5. Step 5: Solve for x
    x = 48,573,515,236/146,210
  6. Step 6: Final answer
    x = 332,217.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.