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Finding the Third Proportional to 125,180 and 256,192

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Solution

The third proportional to 125,180 and 256,192 is: 524,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,180 : 256,192 = 256,192 : x
  2. Step 2: Convert to fraction form
    125,180/256,192 = 256,192/x
  3. Step 3: Cross multiply
    125,180x = 256,192 × 256,192
  4. Step 4: Simplify right side
    125,180x = 65,634,340,864
  5. Step 5: Solve for x
    x = 65,634,340,864/125,180
  6. Step 6: Final answer
    x = 524,319.71

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.