Home / 311,226-682,710

Finding the Third Proportional to 311,226 and 682,710

Calculator

Solution

The third proportional to 311,226 and 682,710 is: 1,497,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,226 : 682,710 = 682,710 : x
  2. Step 2: Convert to fraction form
    311,226/682,710 = 682,710/x
  3. Step 3: Cross multiply
    311,226x = 682,710 × 682,710
  4. Step 4: Simplify right side
    311,226x = 466,092,944,100
  5. Step 5: Solve for x
    x = 466,092,944,100/311,226
  6. Step 6: Final answer
    x = 1,497,602.85

Related Problems

Find third proportional to 155,613 and 341,355
Half scale
Find third proportional to 622,452 and 1,365,420
Double scale
Find third proportional to 311,228 and 682,714
Similar ratio
Find third proportional to 466,839 and 1,024,065
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.