Home / 99,876-213,968

Finding the Third Proportional to 99,876 and 213,968

Calculator

Solution

The third proportional to 99,876 and 213,968 is: 458,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,876 : 213,968 = 213,968 : x
  2. Step 2: Convert to fraction form
    99,876/213,968 = 213,968/x
  3. Step 3: Cross multiply
    99,876x = 213,968 × 213,968
  4. Step 4: Simplify right side
    99,876x = 45,782,305,024
  5. Step 5: Solve for x
    x = 45,782,305,024/99,876
  6. Step 6: Final answer
    x = 458,391.46

Related Problems

Find third proportional to 49,938 and 106,984
Half scale
Find third proportional to 199,752 and 427,936
Double scale
Find third proportional to 99,878 and 213,972
Similar ratio
Find third proportional to 149,814 and 320,952
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.