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Finding the Third Proportional to 360 and 744.75

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Solution

The third proportional to 360 and 744.75 is: 1,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360 : 744.75 = 744.75 : x
  2. Step 2: Convert to fraction form
    360/744.75 = 744.75/x
  3. Step 3: Cross multiply
    360x = 744.75 × 744.75
  4. Step 4: Simplify right side
    360x = 554,652.56
  5. Step 5: Solve for x
    x = 554,652.56/360
  6. Step 6: Final answer
    x = 1,540.70

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.