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Finding the Third Proportional to 151.31 and 332.44

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Solution

The third proportional to 151.31 and 332.44 is: 730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.31 : 332.44 = 332.44 : x
  2. Step 2: Convert to fraction form
    151.31/332.44 = 332.44/x
  3. Step 3: Cross multiply
    151.31x = 332.44 × 332.44
  4. Step 4: Simplify right side
    151.31x = 110,514.69
  5. Step 5: Solve for x
    x = 110,514.69/151.31
  6. Step 6: Final answer
    x = 730.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.