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Finding the Third Proportional to 184.50 and 427.75

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Solution

The third proportional to 184.50 and 427.75 is: 991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.50 : 427.75 = 427.75 : x
  2. Step 2: Convert to fraction form
    184.50/427.75 = 427.75/x
  3. Step 3: Cross multiply
    184.50x = 427.75 × 427.75
  4. Step 4: Simplify right side
    184.50x = 182,970.06
  5. Step 5: Solve for x
    x = 182,970.06/184.50
  6. Step 6: Final answer
    x = 991.71

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.