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Finding the Third Proportional to 146.60 and 211.25

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Solution

The third proportional to 146.60 and 211.25 is: 304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.60 : 211.25 = 211.25 : x
  2. Step 2: Convert to fraction form
    146.60/211.25 = 211.25/x
  3. Step 3: Cross multiply
    146.60x = 211.25 × 211.25
  4. Step 4: Simplify right side
    146.60x = 44,628.21
  5. Step 5: Solve for x
    x = 44,628.21/146.60
  6. Step 6: Final answer
    x = 304.42

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.