Home / 211,472-311,367

Finding the Third Proportional to 211,472 and 311,367

Calculator

Solution

The third proportional to 211,472 and 311,367 is: 458,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,472 : 311,367 = 311,367 : x
  2. Step 2: Convert to fraction form
    211,472/311,367 = 311,367/x
  3. Step 3: Cross multiply
    211,472x = 311,367 × 311,367
  4. Step 4: Simplify right side
    211,472x = 96,949,408,689
  5. Step 5: Solve for x
    x = 96,949,408,689/211,472
  6. Step 6: Final answer
    x = 458,450.33

Related Problems

Find third proportional to 105,736 and 155,683.50
Half scale
Find third proportional to 422,944 and 622,734
Double scale
Find third proportional to 211,474 and 311,370
Similar ratio
Find third proportional to 317,208 and 467,050.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.