Home / 180,936-385,918

Finding the Third Proportional to 180,936 and 385,918

Calculator

Solution

The third proportional to 180,936 and 385,918 is: 823,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,936 : 385,918 = 385,918 : x
  2. Step 2: Convert to fraction form
    180,936/385,918 = 385,918/x
  3. Step 3: Cross multiply
    180,936x = 385,918 × 385,918
  4. Step 4: Simplify right side
    180,936x = 148,932,702,724
  5. Step 5: Solve for x
    x = 148,932,702,724/180,936
  6. Step 6: Final answer
    x = 823,123.66

Related Problems

Find third proportional to 90,468 and 192,959
Half scale
Find third proportional to 361,872 and 771,836
Double scale
Find third proportional to 180,938 and 385,922
Similar ratio
Find third proportional to 271,404 and 578,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.