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Finding the Third Proportional to 608.25 and 1,292.25

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Solution

The third proportional to 608.25 and 1,292.25 is: 2,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.25 : 1,292.25 = 1,292.25 : x
  2. Step 2: Convert to fraction form
    608.25/1,292.25 = 1,292.25/x
  3. Step 3: Cross multiply
    608.25x = 1,292.25 × 1,292.25
  4. Step 4: Simplify right side
    608.25x = 1,669,910.06
  5. Step 5: Solve for x
    x = 1,669,910.06/608.25
  6. Step 6: Final answer
    x = 2,745.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.