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Finding the Third Proportional to 89.50 and 173

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Solution

The third proportional to 89.50 and 173 is: 334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.50 : 173 = 173 : x
  2. Step 2: Convert to fraction form
    89.50/173 = 173/x
  3. Step 3: Cross multiply
    89.50x = 173 × 173
  4. Step 4: Simplify right side
    89.50x = 29,929
  5. Step 5: Solve for x
    x = 29,929/89.50
  6. Step 6: Final answer
    x = 334.40

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.