Home / 315,183-682,878

Finding the Third Proportional to 315,183 and 682,878

Calculator

Solution

The third proportional to 315,183 and 682,878 is: 1,479,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,183 : 682,878 = 682,878 : x
  2. Step 2: Convert to fraction form
    315,183/682,878 = 682,878/x
  3. Step 3: Cross multiply
    315,183x = 682,878 × 682,878
  4. Step 4: Simplify right side
    315,183x = 466,322,362,884
  5. Step 5: Solve for x
    x = 466,322,362,884/315,183
  6. Step 6: Final answer
    x = 1,479,528.92

Related Problems

Find third proportional to 157,591.50 and 341,439
Half scale
Find third proportional to 630,366 and 1,365,756
Double scale
Find third proportional to 315,185 and 682,882
Similar ratio
Find third proportional to 472,774.50 and 1,024,317
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.