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Finding the Third Proportional to 149.98 and 347.41

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Solution

The third proportional to 149.98 and 347.41 is: 804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.98 : 347.41 = 347.41 : x
  2. Step 2: Convert to fraction form
    149.98/347.41 = 347.41/x
  3. Step 3: Cross multiply
    149.98x = 347.41 × 347.41
  4. Step 4: Simplify right side
    149.98x = 120,696.53
  5. Step 5: Solve for x
    x = 120,696.53/149.98
  6. Step 6: Final answer
    x = 804.77

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.