Home / 315,928-682,427

Finding the Third Proportional to 315,928 and 682,427

Calculator

Solution

The third proportional to 315,928 and 682,427 is: 1,474,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,928 : 682,427 = 682,427 : x
  2. Step 2: Convert to fraction form
    315,928/682,427 = 682,427/x
  3. Step 3: Cross multiply
    315,928x = 682,427 × 682,427
  4. Step 4: Simplify right side
    315,928x = 465,706,610,329
  5. Step 5: Solve for x
    x = 465,706,610,329/315,928
  6. Step 6: Final answer
    x = 1,474,090.96

Related Problems

Find third proportional to 157,964 and 341,213.50
Half scale
Find third proportional to 631,856 and 1,364,854
Double scale
Find third proportional to 315,930 and 682,431
Similar ratio
Find third proportional to 473,892 and 1,023,640.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.