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Finding the Third Proportional to 220,676 and 476,332

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Solution

The third proportional to 220,676 and 476,332 is: 1,028,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,676 : 476,332 = 476,332 : x
  2. Step 2: Convert to fraction form
    220,676/476,332 = 476,332/x
  3. Step 3: Cross multiply
    220,676x = 476,332 × 476,332
  4. Step 4: Simplify right side
    220,676x = 226,892,174,224
  5. Step 5: Solve for x
    x = 226,892,174,224/220,676
  6. Step 6: Final answer
    x = 1,028,168.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.