Home / 238-418.50

Finding the Third Proportional to 238 and 418.50

Calculator

Solution

The third proportional to 238 and 418.50 is: 735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238 : 418.50 = 418.50 : x
  2. Step 2: Convert to fraction form
    238/418.50 = 418.50/x
  3. Step 3: Cross multiply
    238x = 418.50 × 418.50
  4. Step 4: Simplify right side
    238x = 175,142.25
  5. Step 5: Solve for x
    x = 175,142.25/238
  6. Step 6: Final answer
    x = 735.89

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.