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Finding the Third Proportional to 706.38 and 1,517.38

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Solution

The third proportional to 706.38 and 1,517.38 is: 3,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.38 : 1,517.38 = 1,517.38 : x
  2. Step 2: Convert to fraction form
    706.38/1,517.38 = 1,517.38/x
  3. Step 3: Cross multiply
    706.38x = 1,517.38 × 1,517.38
  4. Step 4: Simplify right side
    706.38x = 2,302,426.89
  5. Step 5: Solve for x
    x = 2,302,426.89/706.38
  6. Step 6: Final answer
    x = 3,259.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.