Home / 419-745

Finding the Third Proportional to 419 and 745

Calculator

Solution

The third proportional to 419 and 745 is: 1,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    419 : 745 = 745 : x
  2. Step 2: Convert to fraction form
    419/745 = 745/x
  3. Step 3: Cross multiply
    419x = 745 × 745
  4. Step 4: Simplify right side
    419x = 555,025
  5. Step 5: Solve for x
    x = 555,025/419
  6. Step 6: Final answer
    x = 1,324.64

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.