Home / 238-634

Finding the Third Proportional to 238 and 634

Calculator

Solution

The third proportional to 238 and 634 is: 1,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238 : 634 = 634 : x
  2. Step 2: Convert to fraction form
    238/634 = 634/x
  3. Step 3: Cross multiply
    238x = 634 × 634
  4. Step 4: Simplify right side
    238x = 401,956
  5. Step 5: Solve for x
    x = 401,956/238
  6. Step 6: Final answer
    x = 1,688.89

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.