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Finding the Third Proportional to 113.50 and 170

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Solution

The third proportional to 113.50 and 170 is: 254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.50 : 170 = 170 : x
  2. Step 2: Convert to fraction form
    113.50/170 = 170/x
  3. Step 3: Cross multiply
    113.50x = 170 × 170
  4. Step 4: Simplify right side
    113.50x = 28,900
  5. Step 5: Solve for x
    x = 28,900/113.50
  6. Step 6: Final answer
    x = 254.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.