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Finding the Third Proportional to 103.23 and 159.47

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Solution

The third proportional to 103.23 and 159.47 is: 246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.23 : 159.47 = 159.47 : x
  2. Step 2: Convert to fraction form
    103.23/159.47 = 159.47/x
  3. Step 3: Cross multiply
    103.23x = 159.47 × 159.47
  4. Step 4: Simplify right side
    103.23x = 25,430.28
  5. Step 5: Solve for x
    x = 25,430.28/103.23
  6. Step 6: Final answer
    x = 246.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.