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Finding the Third Proportional to 203,956.50 and 328,350

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Solution

The third proportional to 203,956.50 and 328,350 is: 528,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,956.50 : 328,350 = 328,350 : x
  2. Step 2: Convert to fraction form
    203,956.50/328,350 = 328,350/x
  3. Step 3: Cross multiply
    203,956.50x = 328,350 × 328,350
  4. Step 4: Simplify right side
    203,956.50x = 107,813,722,500
  5. Step 5: Solve for x
    x = 107,813,722,500/203,956.50
  6. Step 6: Final answer
    x = 528,611.36

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.