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Finding the Third Proportional to 174 and 277.75

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Solution

The third proportional to 174 and 277.75 is: 443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    174 : 277.75 = 277.75 : x
  2. Step 2: Convert to fraction form
    174/277.75 = 277.75/x
  3. Step 3: Cross multiply
    174x = 277.75 × 277.75
  4. Step 4: Simplify right side
    174x = 77,145.06
  5. Step 5: Solve for x
    x = 77,145.06/174
  6. Step 6: Final answer
    x = 443.36

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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.