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Finding the Third Proportional to 408.25 and 595.25

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Solution

The third proportional to 408.25 and 595.25 is: 867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.25 : 595.25 = 595.25 : x
  2. Step 2: Convert to fraction form
    408.25/595.25 = 595.25/x
  3. Step 3: Cross multiply
    408.25x = 595.25 × 595.25
  4. Step 4: Simplify right side
    408.25x = 354,322.56
  5. Step 5: Solve for x
    x = 354,322.56/408.25
  6. Step 6: Final answer
    x = 867.91

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.