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Finding the Third Proportional to 146 and 201.25

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Solution

The third proportional to 146 and 201.25 is: 277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146 : 201.25 = 201.25 : x
  2. Step 2: Convert to fraction form
    146/201.25 = 201.25/x
  3. Step 3: Cross multiply
    146x = 201.25 × 201.25
  4. Step 4: Simplify right side
    146x = 40,501.56
  5. Step 5: Solve for x
    x = 40,501.56/146
  6. Step 6: Final answer
    x = 277.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.