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Finding the Third Proportional to 251,011.75 and 382,400.25

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Solution

The third proportional to 251,011.75 and 382,400.25 is: 582,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,011.75 : 382,400.25 = 382,400.25 : x
  2. Step 2: Convert to fraction form
    251,011.75/382,400.25 = 382,400.25/x
  3. Step 3: Cross multiply
    251,011.75x = 382,400.25 × 382,400.25
  4. Step 4: Simplify right side
    251,011.75x = 146,229,951,200.06
  5. Step 5: Solve for x
    x = 146,229,951,200.06/251,011.75
  6. Step 6: Final answer
    x = 582,562.18

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.