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Finding the Third Proportional to 468.75 and 663

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Solution

The third proportional to 468.75 and 663 is: 937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.75 : 663 = 663 : x
  2. Step 2: Convert to fraction form
    468.75/663 = 663/x
  3. Step 3: Cross multiply
    468.75x = 663 × 663
  4. Step 4: Simplify right side
    468.75x = 439,569
  5. Step 5: Solve for x
    x = 439,569/468.75
  6. Step 6: Final answer
    x = 937.75

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.