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Finding the Third Proportional to 134.13 and 169.50

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Solution

The third proportional to 134.13 and 169.50 is: 214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.13 : 169.50 = 169.50 : x
  2. Step 2: Convert to fraction form
    134.13/169.50 = 169.50/x
  3. Step 3: Cross multiply
    134.13x = 169.50 × 169.50
  4. Step 4: Simplify right side
    134.13x = 28,730.25
  5. Step 5: Solve for x
    x = 28,730.25/134.13
  6. Step 6: Final answer
    x = 214.21

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.