Home / 91,008-198,512

Finding the Third Proportional to 91,008 and 198,512

Calculator

Solution

The third proportional to 91,008 and 198,512 is: 433,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008 : 198,512 = 198,512 : x
  2. Step 2: Convert to fraction form
    91,008/198,512 = 198,512/x
  3. Step 3: Cross multiply
    91,008x = 198,512 × 198,512
  4. Step 4: Simplify right side
    91,008x = 39,407,014,144
  5. Step 5: Solve for x
    x = 39,407,014,144/91,008
  6. Step 6: Final answer
    x = 433,006.05

Related Problems

Find third proportional to 45,504 and 99,256
Half scale
Find third proportional to 182,016 and 397,024
Double scale
Find third proportional to 91,010 and 198,516
Similar ratio
Find third proportional to 136,512 and 297,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.