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Finding the Third Proportional to 176.06 and 189.56

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Solution

The third proportional to 176.06 and 189.56 is: 204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.06 : 189.56 = 189.56 : x
  2. Step 2: Convert to fraction form
    176.06/189.56 = 189.56/x
  3. Step 3: Cross multiply
    176.06x = 189.56 × 189.56
  4. Step 4: Simplify right side
    176.06x = 35,933.94
  5. Step 5: Solve for x
    x = 35,933.94/176.06
  6. Step 6: Final answer
    x = 204.10

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.