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Finding the Third Proportional to 113.50 and 273

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Solution

The third proportional to 113.50 and 273 is: 656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.50 : 273 = 273 : x
  2. Step 2: Convert to fraction form
    113.50/273 = 273/x
  3. Step 3: Cross multiply
    113.50x = 273 × 273
  4. Step 4: Simplify right side
    113.50x = 74,529
  5. Step 5: Solve for x
    x = 74,529/113.50
  6. Step 6: Final answer
    x = 656.64

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.