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Finding the Third Proportional to 188 and 204.50

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Solution

The third proportional to 188 and 204.50 is: 222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188 : 204.50 = 204.50 : x
  2. Step 2: Convert to fraction form
    188/204.50 = 204.50/x
  3. Step 3: Cross multiply
    188x = 204.50 × 204.50
  4. Step 4: Simplify right side
    188x = 41,820.25
  5. Step 5: Solve for x
    x = 41,820.25/188
  6. Step 6: Final answer
    x = 222.45

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.