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Finding the Third Proportional to 169.59 and 247.64

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Solution

The third proportional to 169.59 and 247.64 is: 361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.59 : 247.64 = 247.64 : x
  2. Step 2: Convert to fraction form
    169.59/247.64 = 247.64/x
  3. Step 3: Cross multiply
    169.59x = 247.64 × 247.64
  4. Step 4: Simplify right side
    169.59x = 61,325.88
  5. Step 5: Solve for x
    x = 61,325.88/169.59
  6. Step 6: Final answer
    x = 361.60

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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.