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Finding the Third Proportional to 358,493 and 550,274

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Solution

The third proportional to 358,493 and 550,274 is: 844,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,493 : 550,274 = 550,274 : x
  2. Step 2: Convert to fraction form
    358,493/550,274 = 550,274/x
  3. Step 3: Cross multiply
    358,493x = 550,274 × 550,274
  4. Step 4: Simplify right side
    358,493x = 302,801,475,076
  5. Step 5: Solve for x
    x = 302,801,475,076/358,493
  6. Step 6: Final answer
    x = 844,651.01

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.