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Finding the Third Proportional to 342 and 467.25

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Solution

The third proportional to 342 and 467.25 is: 638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    342 : 467.25 = 467.25 : x
  2. Step 2: Convert to fraction form
    342/467.25 = 467.25/x
  3. Step 3: Cross multiply
    342x = 467.25 × 467.25
  4. Step 4: Simplify right side
    342x = 218,322.56
  5. Step 5: Solve for x
    x = 218,322.56/342
  6. Step 6: Final answer
    x = 638.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.