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Finding the Third Proportional to 151,422.75 and 220,083.75

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Solution

The third proportional to 151,422.75 and 220,083.75 is: 319,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,422.75 : 220,083.75 = 220,083.75 : x
  2. Step 2: Convert to fraction form
    151,422.75/220,083.75 = 220,083.75/x
  3. Step 3: Cross multiply
    151,422.75x = 220,083.75 × 220,083.75
  4. Step 4: Simplify right side
    151,422.75x = 48,436,857,014.06
  5. Step 5: Solve for x
    x = 48,436,857,014.06/151,422.75
  6. Step 6: Final answer
    x = 319,878.33

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.