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Finding the Third Proportional to 73.75 and 152

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Solution

The third proportional to 73.75 and 152 is: 313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.75 : 152 = 152 : x
  2. Step 2: Convert to fraction form
    73.75/152 = 152/x
  3. Step 3: Cross multiply
    73.75x = 152 × 152
  4. Step 4: Simplify right side
    73.75x = 23,104
  5. Step 5: Solve for x
    x = 23,104/73.75
  6. Step 6: Final answer
    x = 313.27

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.