Home / 331.31-724.22

Finding the Third Proportional to 331.31 and 724.22

Calculator

Solution

The third proportional to 331.31 and 724.22 is: 1,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.31 : 724.22 = 724.22 : x
  2. Step 2: Convert to fraction form
    331.31/724.22 = 724.22/x
  3. Step 3: Cross multiply
    331.31x = 724.22 × 724.22
  4. Step 4: Simplify right side
    331.31x = 524,492.80
  5. Step 5: Solve for x
    x = 524,492.80/331.31
  6. Step 6: Final answer
    x = 1,583.08

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.