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Finding the Third Proportional to 262.13 and 605.25

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Solution

The third proportional to 262.13 and 605.25 is: 1,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.13 : 605.25 = 605.25 : x
  2. Step 2: Convert to fraction form
    262.13/605.25 = 605.25/x
  3. Step 3: Cross multiply
    262.13x = 605.25 × 605.25
  4. Step 4: Simplify right side
    262.13x = 366,327.56
  5. Step 5: Solve for x
    x = 366,327.56/262.13
  6. Step 6: Final answer
    x = 1,397.53

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.