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Finding the Third Proportional to 566 and 865

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Solution

The third proportional to 566 and 865 is: 1,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    566 : 865 = 865 : x
  2. Step 2: Convert to fraction form
    566/865 = 865/x
  3. Step 3: Cross multiply
    566x = 865 × 865
  4. Step 4: Simplify right side
    566x = 748,225
  5. Step 5: Solve for x
    x = 748,225/566
  6. Step 6: Final answer
    x = 1,321.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.