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Finding the Third Proportional to 143.75 and 295.38

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Solution

The third proportional to 143.75 and 295.38 is: 606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143.75 : 295.38 = 295.38 : x
  2. Step 2: Convert to fraction form
    143.75/295.38 = 295.38/x
  3. Step 3: Cross multiply
    143.75x = 295.38 × 295.38
  4. Step 4: Simplify right side
    143.75x = 87,246.39
  5. Step 5: Solve for x
    x = 87,246.39/143.75
  6. Step 6: Final answer
    x = 606.93

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.