Home / 311,208-494,028

Finding the Third Proportional to 311,208 and 494,028

Calculator

Solution

The third proportional to 311,208 and 494,028 is: 784,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,208 : 494,028 = 494,028 : x
  2. Step 2: Convert to fraction form
    311,208/494,028 = 494,028/x
  3. Step 3: Cross multiply
    311,208x = 494,028 × 494,028
  4. Step 4: Simplify right side
    311,208x = 244,063,664,784
  5. Step 5: Solve for x
    x = 244,063,664,784/311,208
  6. Step 6: Final answer
    x = 784,246.11

Related Problems

Find third proportional to 155,604 and 247,014
Half scale
Find third proportional to 622,416 and 988,056
Double scale
Find third proportional to 311,210 and 494,031
Similar ratio
Find third proportional to 466,812 and 741,042
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.