Home / 81,380-195,984

Finding the Third Proportional to 81,380 and 195,984

Calculator

Solution

The third proportional to 81,380 and 195,984 is: 471,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,380 : 195,984 = 195,984 : x
  2. Step 2: Convert to fraction form
    81,380/195,984 = 195,984/x
  3. Step 3: Cross multiply
    81,380x = 195,984 × 195,984
  4. Step 4: Simplify right side
    81,380x = 38,409,728,256
  5. Step 5: Solve for x
    x = 38,409,728,256/81,380
  6. Step 6: Final answer
    x = 471,979.95

Related Problems

Find third proportional to 40,690 and 97,992
Half scale
Find third proportional to 162,760 and 391,968
Double scale
Find third proportional to 81,382 and 195,989
Similar ratio
Find third proportional to 122,070 and 293,976
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.