Home / 181,316-394,891

Finding the Third Proportional to 181,316 and 394,891

Calculator

Solution

The third proportional to 181,316 and 394,891 is: 860,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,316 : 394,891 = 394,891 : x
  2. Step 2: Convert to fraction form
    181,316/394,891 = 394,891/x
  3. Step 3: Cross multiply
    181,316x = 394,891 × 394,891
  4. Step 4: Simplify right side
    181,316x = 155,938,901,881
  5. Step 5: Solve for x
    x = 155,938,901,881/181,316
  6. Step 6: Final answer
    x = 860,039.39

Related Problems

Find third proportional to 90,658 and 197,445.50
Half scale
Find third proportional to 362,632 and 789,782
Double scale
Find third proportional to 181,318 and 394,895
Similar ratio
Find third proportional to 271,974 and 592,336.50
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.