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Finding the Third Proportional to 185.06 and 427.32

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Solution

The third proportional to 185.06 and 427.32 is: 986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.06 : 427.32 = 427.32 : x
  2. Step 2: Convert to fraction form
    185.06/427.32 = 427.32/x
  3. Step 3: Cross multiply
    185.06x = 427.32 × 427.32
  4. Step 4: Simplify right side
    185.06x = 182,605.99
  5. Step 5: Solve for x
    x = 182,605.99/185.06
  6. Step 6: Final answer
    x = 986.73

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.