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Finding the Third Proportional to 169 and 244.25

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Solution

The third proportional to 169 and 244.25 is: 353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169 : 244.25 = 244.25 : x
  2. Step 2: Convert to fraction form
    169/244.25 = 244.25/x
  3. Step 3: Cross multiply
    169x = 244.25 × 244.25
  4. Step 4: Simplify right side
    169x = 59,658.06
  5. Step 5: Solve for x
    x = 59,658.06/169
  6. Step 6: Final answer
    x = 353.01

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.