Home / 397,086-856,380

Finding the Third Proportional to 397,086 and 856,380

Calculator

Solution

The third proportional to 397,086 and 856,380 is: 1,846,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,086 : 856,380 = 856,380 : x
  2. Step 2: Convert to fraction form
    397,086/856,380 = 856,380/x
  3. Step 3: Cross multiply
    397,086x = 856,380 × 856,380
  4. Step 4: Simplify right side
    397,086x = 733,386,704,400
  5. Step 5: Solve for x
    x = 733,386,704,400/397,086
  6. Step 6: Final answer
    x = 1,846,921.58

Related Problems

Find third proportional to 198,543 and 428,190
Half scale
Find third proportional to 794,172 and 1,712,760
Double scale
Find third proportional to 397,088 and 856,384
Similar ratio
Find third proportional to 595,629 and 1,284,570
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.