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Finding the Third Proportional to 161.37 and 242.05

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Solution

The third proportional to 161.37 and 242.05 is: 363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.37 : 242.05 = 242.05 : x
  2. Step 2: Convert to fraction form
    161.37/242.05 = 242.05/x
  3. Step 3: Cross multiply
    161.37x = 242.05 × 242.05
  4. Step 4: Simplify right side
    161.37x = 58,588.58
  5. Step 5: Solve for x
    x = 58,588.58/161.37
  6. Step 6: Final answer
    x = 363.08

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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.