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Finding the Third Proportional to 134.75 and 223.50

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Solution

The third proportional to 134.75 and 223.50 is: 370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.75 : 223.50 = 223.50 : x
  2. Step 2: Convert to fraction form
    134.75/223.50 = 223.50/x
  3. Step 3: Cross multiply
    134.75x = 223.50 × 223.50
  4. Step 4: Simplify right side
    134.75x = 49,952.25
  5. Step 5: Solve for x
    x = 49,952.25/134.75
  6. Step 6: Final answer
    x = 370.70

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.