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Finding the Third Proportional to 186 and 288

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Solution

The third proportional to 186 and 288 is: 445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186 : 288 = 288 : x
  2. Step 2: Convert to fraction form
    186/288 = 288/x
  3. Step 3: Cross multiply
    186x = 288 × 288
  4. Step 4: Simplify right side
    186x = 82,944
  5. Step 5: Solve for x
    x = 82,944/186
  6. Step 6: Final answer
    x = 445.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.