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Finding the Third Proportional to 152 and 173.75

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Solution

The third proportional to 152 and 173.75 is: 198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152 : 173.75 = 173.75 : x
  2. Step 2: Convert to fraction form
    152/173.75 = 173.75/x
  3. Step 3: Cross multiply
    152x = 173.75 × 173.75
  4. Step 4: Simplify right side
    152x = 30,189.06
  5. Step 5: Solve for x
    x = 30,189.06/152
  6. Step 6: Final answer
    x = 198.61

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.