Home / 213,916-320,874

Finding the Third Proportional to 213,916 and 320,874

Calculator

Solution

The third proportional to 213,916 and 320,874 is: 481,311

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,916 : 320,874 = 320,874 : x
  2. Step 2: Convert to fraction form
    213,916/320,874 = 320,874/x
  3. Step 3: Cross multiply
    213,916x = 320,874 × 320,874
  4. Step 4: Simplify right side
    213,916x = 102,960,123,876
  5. Step 5: Solve for x
    x = 102,960,123,876/213,916
  6. Step 6: Final answer
    x = 481,311

Related Problems

Find third proportional to 106,958 and 160,437
Half scale
Find third proportional to 427,832 and 641,748
Double scale
Find third proportional to 213,918 and 320,877
Similar ratio
Find third proportional to 320,874 and 481,311
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.