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Finding the Third Proportional to 493 and 650.50

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Solution

The third proportional to 493 and 650.50 is: 858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    493 : 650.50 = 650.50 : x
  2. Step 2: Convert to fraction form
    493/650.50 = 650.50/x
  3. Step 3: Cross multiply
    493x = 650.50 × 650.50
  4. Step 4: Simplify right side
    493x = 423,150.25
  5. Step 5: Solve for x
    x = 423,150.25/493
  6. Step 6: Final answer
    x = 858.32

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.