Home / 311,432-481,668

Finding the Third Proportional to 311,432 and 481,668

Calculator

Solution

The third proportional to 311,432 and 481,668 is: 744,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,432 : 481,668 = 481,668 : x
  2. Step 2: Convert to fraction form
    311,432/481,668 = 481,668/x
  3. Step 3: Cross multiply
    311,432x = 481,668 × 481,668
  4. Step 4: Simplify right side
    311,432x = 232,004,062,224
  5. Step 5: Solve for x
    x = 232,004,062,224/311,432
  6. Step 6: Final answer
    x = 744,958.97

Related Problems

Find third proportional to 155,716 and 240,834
Half scale
Find third proportional to 622,864 and 963,336
Double scale
Find third proportional to 311,434 and 481,671
Similar ratio
Find third proportional to 467,148 and 722,502
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.