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Finding the Third Proportional to 204,469.50 and 310,383

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Solution

The third proportional to 204,469.50 and 310,383 is: 471,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,469.50 : 310,383 = 310,383 : x
  2. Step 2: Convert to fraction form
    204,469.50/310,383 = 310,383/x
  3. Step 3: Cross multiply
    204,469.50x = 310,383 × 310,383
  4. Step 4: Simplify right side
    204,469.50x = 96,337,606,689
  5. Step 5: Solve for x
    x = 96,337,606,689/204,469.50
  6. Step 6: Final answer
    x = 471,158.81

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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.