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Finding the Third Proportional to 222.88 and 343

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Solution

The third proportional to 222.88 and 343 is: 527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.88 : 343 = 343 : x
  2. Step 2: Convert to fraction form
    222.88/343 = 343/x
  3. Step 3: Cross multiply
    222.88x = 343 × 343
  4. Step 4: Simplify right side
    222.88x = 117,649
  5. Step 5: Solve for x
    x = 117,649/222.88
  6. Step 6: Final answer
    x = 527.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.