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Finding the Third Proportional to 474.50 and 755

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Solution

The third proportional to 474.50 and 755 is: 1,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.50 : 755 = 755 : x
  2. Step 2: Convert to fraction form
    474.50/755 = 755/x
  3. Step 3: Cross multiply
    474.50x = 755 × 755
  4. Step 4: Simplify right side
    474.50x = 570,025
  5. Step 5: Solve for x
    x = 570,025/474.50
  6. Step 6: Final answer
    x = 1,201.32

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.