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Finding the Third Proportional to 220,255 and 480,966

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Solution

The third proportional to 220,255 and 480,966 is: 1,050,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,255 : 480,966 = 480,966 : x
  2. Step 2: Convert to fraction form
    220,255/480,966 = 480,966/x
  3. Step 3: Cross multiply
    220,255x = 480,966 × 480,966
  4. Step 4: Simplify right side
    220,255x = 231,328,293,156
  5. Step 5: Solve for x
    x = 231,328,293,156/220,255
  6. Step 6: Final answer
    x = 1,050,274.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.