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Finding the Third Proportional to 374.50 and 759.25

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Solution

The third proportional to 374.50 and 759.25 is: 1,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.50 : 759.25 = 759.25 : x
  2. Step 2: Convert to fraction form
    374.50/759.25 = 759.25/x
  3. Step 3: Cross multiply
    374.50x = 759.25 × 759.25
  4. Step 4: Simplify right side
    374.50x = 576,460.56
  5. Step 5: Solve for x
    x = 576,460.56/374.50
  6. Step 6: Final answer
    x = 1,539.28

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.