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Finding the Third Proportional to 153 and 227.25

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Solution

The third proportional to 153 and 227.25 is: 337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153 : 227.25 = 227.25 : x
  2. Step 2: Convert to fraction form
    153/227.25 = 227.25/x
  3. Step 3: Cross multiply
    153x = 227.25 × 227.25
  4. Step 4: Simplify right side
    153x = 51,642.56
  5. Step 5: Solve for x
    x = 51,642.56/153
  6. Step 6: Final answer
    x = 337.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.