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Finding the Third Proportional to 148 and 351.25

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Solution

The third proportional to 148 and 351.25 is: 833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148 : 351.25 = 351.25 : x
  2. Step 2: Convert to fraction form
    148/351.25 = 351.25/x
  3. Step 3: Cross multiply
    148x = 351.25 × 351.25
  4. Step 4: Simplify right side
    148x = 123,376.56
  5. Step 5: Solve for x
    x = 123,376.56/148
  6. Step 6: Final answer
    x = 833.63

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.