Home / 311,188-456,882

Finding the Third Proportional to 311,188 and 456,882

Calculator

Solution

The third proportional to 311,188 and 456,882 is: 670,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,188 : 456,882 = 456,882 : x
  2. Step 2: Convert to fraction form
    311,188/456,882 = 456,882/x
  3. Step 3: Cross multiply
    311,188x = 456,882 × 456,882
  4. Step 4: Simplify right side
    311,188x = 208,741,161,924
  5. Step 5: Solve for x
    x = 208,741,161,924/311,188
  6. Step 6: Final answer
    x = 670,787.95

Related Problems

Find third proportional to 155,594 and 228,441
Half scale
Find third proportional to 622,376 and 913,764
Double scale
Find third proportional to 311,190 and 456,885
Similar ratio
Find third proportional to 466,782 and 685,323
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.