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Finding the Third Proportional to 186 and 305.50

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Solution

The third proportional to 186 and 305.50 is: 501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186 : 305.50 = 305.50 : x
  2. Step 2: Convert to fraction form
    186/305.50 = 305.50/x
  3. Step 3: Cross multiply
    186x = 305.50 × 305.50
  4. Step 4: Simplify right side
    186x = 93,330.25
  5. Step 5: Solve for x
    x = 93,330.25/186
  6. Step 6: Final answer
    x = 501.78

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.