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Finding the Third Proportional to 161.06 and 264.56

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Solution

The third proportional to 161.06 and 264.56 is: 434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.06 : 264.56 = 264.56 : x
  2. Step 2: Convert to fraction form
    161.06/264.56 = 264.56/x
  3. Step 3: Cross multiply
    161.06x = 264.56 × 264.56
  4. Step 4: Simplify right side
    161.06x = 69,993.32
  5. Step 5: Solve for x
    x = 69,993.32/161.06
  6. Step 6: Final answer
    x = 434.57

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.