Home / 411.38-902.38

Finding the Third Proportional to 411.38 and 902.38

Calculator

Solution

The third proportional to 411.38 and 902.38 is: 1,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.38 : 902.38 = 902.38 : x
  2. Step 2: Convert to fraction form
    411.38/902.38 = 902.38/x
  3. Step 3: Cross multiply
    411.38x = 902.38 × 902.38
  4. Step 4: Simplify right side
    411.38x = 814,280.64
  5. Step 5: Solve for x
    x = 814,280.64/411.38
  6. Step 6: Final answer
    x = 1,979.41

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.