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Finding the Third Proportional to 204.50 and 297.50

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Solution

The third proportional to 204.50 and 297.50 is: 432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.50 : 297.50 = 297.50 : x
  2. Step 2: Convert to fraction form
    204.50/297.50 = 297.50/x
  3. Step 3: Cross multiply
    204.50x = 297.50 × 297.50
  4. Step 4: Simplify right side
    204.50x = 88,506.25
  5. Step 5: Solve for x
    x = 88,506.25/204.50
  6. Step 6: Final answer
    x = 432.79

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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.