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Finding the Third Proportional to 220,224 and 332,400

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Solution

The third proportional to 220,224 and 332,400 is: 501,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,224 : 332,400 = 332,400 : x
  2. Step 2: Convert to fraction form
    220,224/332,400 = 332,400/x
  3. Step 3: Cross multiply
    220,224x = 332,400 × 332,400
  4. Step 4: Simplify right side
    220,224x = 110,489,760,000
  5. Step 5: Solve for x
    x = 110,489,760,000/220,224
  6. Step 6: Final answer
    x = 501,715.34

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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.