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Finding the Third Proportional to 566 and 617.75

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Solution

The third proportional to 566 and 617.75 is: 674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    566 : 617.75 = 617.75 : x
  2. Step 2: Convert to fraction form
    566/617.75 = 617.75/x
  3. Step 3: Cross multiply
    566x = 617.75 × 617.75
  4. Step 4: Simplify right side
    566x = 381,615.06
  5. Step 5: Solve for x
    x = 381,615.06/566
  6. Step 6: Final answer
    x = 674.23

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.