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Finding the Third Proportional to 355,126 and 762,956

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Solution

The third proportional to 355,126 and 762,956 is: 1,639,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,126 : 762,956 = 762,956 : x
  2. Step 2: Convert to fraction form
    355,126/762,956 = 762,956/x
  3. Step 3: Cross multiply
    355,126x = 762,956 × 762,956
  4. Step 4: Simplify right side
    355,126x = 582,101,857,936
  5. Step 5: Solve for x
    x = 582,101,857,936/355,126
  6. Step 6: Final answer
    x = 1,639,141.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.