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Finding the Third Proportional to 161.63 and 235.59

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Solution

The third proportional to 161.63 and 235.59 is: 343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.63 : 235.59 = 235.59 : x
  2. Step 2: Convert to fraction form
    161.63/235.59 = 235.59/x
  3. Step 3: Cross multiply
    161.63x = 235.59 × 235.59
  4. Step 4: Simplify right side
    161.63x = 55,504.42
  5. Step 5: Solve for x
    x = 55,504.42/161.63
  6. Step 6: Final answer
    x = 343.41

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.