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Finding the Third Proportional to 161.50 and 242.94

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Solution

The third proportional to 161.50 and 242.94 is: 365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.50 : 242.94 = 242.94 : x
  2. Step 2: Convert to fraction form
    161.50/242.94 = 242.94/x
  3. Step 3: Cross multiply
    161.50x = 242.94 × 242.94
  4. Step 4: Simplify right side
    161.50x = 59,018.63
  5. Step 5: Solve for x
    x = 59,018.63/161.50
  6. Step 6: Final answer
    x = 365.44

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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.