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Finding the Third Proportional to 468.25 and 656

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Solution

The third proportional to 468.25 and 656 is: 919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.25 : 656 = 656 : x
  2. Step 2: Convert to fraction form
    468.25/656 = 656/x
  3. Step 3: Cross multiply
    468.25x = 656 × 656
  4. Step 4: Simplify right side
    468.25x = 430,336
  5. Step 5: Solve for x
    x = 430,336/468.25
  6. Step 6: Final answer
    x = 919.03

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.