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Finding the Third Proportional to 177.56 and 367.69

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Solution

The third proportional to 177.56 and 367.69 is: 761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.56 : 367.69 = 367.69 : x
  2. Step 2: Convert to fraction form
    177.56/367.69 = 367.69/x
  3. Step 3: Cross multiply
    177.56x = 367.69 × 367.69
  4. Step 4: Simplify right side
    177.56x = 135,194.10
  5. Step 5: Solve for x
    x = 135,194.10/177.56
  6. Step 6: Final answer
    x = 761.39

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.