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Finding the Third Proportional to 350.44 and 513.56

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Solution

The third proportional to 350.44 and 513.56 is: 752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.44 : 513.56 = 513.56 : x
  2. Step 2: Convert to fraction form
    350.44/513.56 = 513.56/x
  3. Step 3: Cross multiply
    350.44x = 513.56 × 513.56
  4. Step 4: Simplify right side
    350.44x = 263,746.44
  5. Step 5: Solve for x
    x = 263,746.44/350.44
  6. Step 6: Final answer
    x = 752.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.