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Finding the Third Proportional to 446.75 and 500.75

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Solution

The third proportional to 446.75 and 500.75 is: 561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.75 : 500.75 = 500.75 : x
  2. Step 2: Convert to fraction form
    446.75/500.75 = 500.75/x
  3. Step 3: Cross multiply
    446.75x = 500.75 × 500.75
  4. Step 4: Simplify right side
    446.75x = 250,750.56
  5. Step 5: Solve for x
    x = 250,750.56/446.75
  6. Step 6: Final answer
    x = 561.28

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.