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Finding the Third Proportional to 283.31 and 622.22

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Solution

The third proportional to 283.31 and 622.22 is: 1,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.31 : 622.22 = 622.22 : x
  2. Step 2: Convert to fraction form
    283.31/622.22 = 622.22/x
  3. Step 3: Cross multiply
    283.31x = 622.22 × 622.22
  4. Step 4: Simplify right side
    283.31x = 387,156.17
  5. Step 5: Solve for x
    x = 387,156.17/283.31
  6. Step 6: Final answer
    x = 1,366.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.