Home / 311,216-494,043

Finding the Third Proportional to 311,216 and 494,043

Calculator

Solution

The third proportional to 311,216 and 494,043 is: 784,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,216 : 494,043 = 494,043 : x
  2. Step 2: Convert to fraction form
    311,216/494,043 = 494,043/x
  3. Step 3: Cross multiply
    311,216x = 494,043 × 494,043
  4. Step 4: Simplify right side
    311,216x = 244,078,485,849
  5. Step 5: Solve for x
    x = 244,078,485,849/311,216
  6. Step 6: Final answer
    x = 784,273.58

Related Problems

Find third proportional to 155,608 and 247,021.50
Half scale
Find third proportional to 622,432 and 988,086
Double scale
Find third proportional to 311,218 and 494,046
Similar ratio
Find third proportional to 466,824 and 741,064.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.