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Finding the Third Proportional to 160 and 188

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Solution

The third proportional to 160 and 188 is: 220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160 : 188 = 188 : x
  2. Step 2: Convert to fraction form
    160/188 = 188/x
  3. Step 3: Cross multiply
    160x = 188 × 188
  4. Step 4: Simplify right side
    160x = 35,344
  5. Step 5: Solve for x
    x = 35,344/160
  6. Step 6: Final answer
    x = 220.90

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.