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Finding the Third Proportional to 264.88 and 402.25

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Solution

The third proportional to 264.88 and 402.25 is: 610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.88 : 402.25 = 402.25 : x
  2. Step 2: Convert to fraction form
    264.88/402.25 = 402.25/x
  3. Step 3: Cross multiply
    264.88x = 402.25 × 402.25
  4. Step 4: Simplify right side
    264.88x = 161,805.06
  5. Step 5: Solve for x
    x = 161,805.06/264.88
  6. Step 6: Final answer
    x = 610.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.