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Finding the Third Proportional to 222,274 and 344,690

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Solution

The third proportional to 222,274 and 344,690 is: 534,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,274 : 344,690 = 344,690 : x
  2. Step 2: Convert to fraction form
    222,274/344,690 = 344,690/x
  3. Step 3: Cross multiply
    222,274x = 344,690 × 344,690
  4. Step 4: Simplify right side
    222,274x = 118,811,196,100
  5. Step 5: Solve for x
    x = 118,811,196,100/222,274
  6. Step 6: Final answer
    x = 534,525.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.