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Finding the Third Proportional to 150.50 and 176.75

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Solution

The third proportional to 150.50 and 176.75 is: 207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.50 : 176.75 = 176.75 : x
  2. Step 2: Convert to fraction form
    150.50/176.75 = 176.75/x
  3. Step 3: Cross multiply
    150.50x = 176.75 × 176.75
  4. Step 4: Simplify right side
    150.50x = 31,240.56
  5. Step 5: Solve for x
    x = 31,240.56/150.50
  6. Step 6: Final answer
    x = 207.58

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.