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Finding the Third Proportional to 251,847 and 380,196

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Solution

The third proportional to 251,847 and 380,196 is: 573,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,847 : 380,196 = 380,196 : x
  2. Step 2: Convert to fraction form
    251,847/380,196 = 380,196/x
  3. Step 3: Cross multiply
    251,847x = 380,196 × 380,196
  4. Step 4: Simplify right side
    251,847x = 144,548,998,416
  5. Step 5: Solve for x
    x = 144,548,998,416/251,847
  6. Step 6: Final answer
    x = 573,955.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.