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Finding the Third Proportional to 362 and 427.75

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Solution

The third proportional to 362 and 427.75 is: 505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362 : 427.75 = 427.75 : x
  2. Step 2: Convert to fraction form
    362/427.75 = 427.75/x
  3. Step 3: Cross multiply
    362x = 427.75 × 427.75
  4. Step 4: Simplify right side
    362x = 182,970.06
  5. Step 5: Solve for x
    x = 182,970.06/362
  6. Step 6: Final answer
    x = 505.44

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.