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Finding the Third Proportional to 131,800.50 and 204,261.75

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Solution

The third proportional to 131,800.50 and 204,261.75 is: 316,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,800.50 : 204,261.75 = 204,261.75 : x
  2. Step 2: Convert to fraction form
    131,800.50/204,261.75 = 204,261.75/x
  3. Step 3: Cross multiply
    131,800.50x = 204,261.75 × 204,261.75
  4. Step 4: Simplify right side
    131,800.50x = 41,722,862,513.06
  5. Step 5: Solve for x
    x = 41,722,862,513.06/131,800.50
  6. Step 6: Final answer
    x = 316,560.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.