Home / 299,256-451,989

Finding the Third Proportional to 299,256 and 451,989

Calculator

Solution

The third proportional to 299,256 and 451,989 is: 682,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,256 : 451,989 = 451,989 : x
  2. Step 2: Convert to fraction form
    299,256/451,989 = 451,989/x
  3. Step 3: Cross multiply
    299,256x = 451,989 × 451,989
  4. Step 4: Simplify right side
    299,256x = 204,294,056,121
  5. Step 5: Solve for x
    x = 204,294,056,121/299,256
  6. Step 6: Final answer
    x = 682,673.22

Related Problems

Find third proportional to 149,628 and 225,994.50
Half scale
Find third proportional to 598,512 and 903,978
Double scale
Find third proportional to 299,258 and 451,992
Similar ratio
Find third proportional to 448,884 and 677,983.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.