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Finding the Third Proportional to 361.50 and 748

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Solution

The third proportional to 361.50 and 748 is: 1,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.50 : 748 = 748 : x
  2. Step 2: Convert to fraction form
    361.50/748 = 748/x
  3. Step 3: Cross multiply
    361.50x = 748 × 748
  4. Step 4: Simplify right side
    361.50x = 559,504
  5. Step 5: Solve for x
    x = 559,504/361.50
  6. Step 6: Final answer
    x = 1,547.73

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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.