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Finding the Third Proportional to 303.50 and 496.50

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Solution

The third proportional to 303.50 and 496.50 is: 812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.50 : 496.50 = 496.50 : x
  2. Step 2: Convert to fraction form
    303.50/496.50 = 496.50/x
  3. Step 3: Cross multiply
    303.50x = 496.50 × 496.50
  4. Step 4: Simplify right side
    303.50x = 246,512.25
  5. Step 5: Solve for x
    x = 246,512.25/303.50
  6. Step 6: Final answer
    x = 812.23

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.