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Finding the Third Proportional to 331,308 and 441,414

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Solution

The third proportional to 331,308 and 441,414 is: 588,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,308 : 441,414 = 441,414 : x
  2. Step 2: Convert to fraction form
    331,308/441,414 = 441,414/x
  3. Step 3: Cross multiply
    331,308x = 441,414 × 441,414
  4. Step 4: Simplify right side
    331,308x = 194,846,319,396
  5. Step 5: Solve for x
    x = 194,846,319,396/331,308
  6. Step 6: Final answer
    x = 588,112.33

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.