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Finding the Third Proportional to 194.25 and 376.50

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Solution

The third proportional to 194.25 and 376.50 is: 729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.25 : 376.50 = 376.50 : x
  2. Step 2: Convert to fraction form
    194.25/376.50 = 376.50/x
  3. Step 3: Cross multiply
    194.25x = 376.50 × 376.50
  4. Step 4: Simplify right side
    194.25x = 141,752.25
  5. Step 5: Solve for x
    x = 141,752.25/194.25
  6. Step 6: Final answer
    x = 729.74

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.