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Finding the Third Proportional to 186.50 and 305

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Solution

The third proportional to 186.50 and 305 is: 498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.50 : 305 = 305 : x
  2. Step 2: Convert to fraction form
    186.50/305 = 305/x
  3. Step 3: Cross multiply
    186.50x = 305 × 305
  4. Step 4: Simplify right side
    186.50x = 93,025
  5. Step 5: Solve for x
    x = 93,025/186.50
  6. Step 6: Final answer
    x = 498.79

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