Home / 214,912-331,389

Finding the Third Proportional to 214,912 and 331,389

Calculator

Solution

The third proportional to 214,912 and 331,389 is: 510,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912 : 331,389 = 331,389 : x
  2. Step 2: Convert to fraction form
    214,912/331,389 = 331,389/x
  3. Step 3: Cross multiply
    214,912x = 331,389 × 331,389
  4. Step 4: Simplify right side
    214,912x = 109,818,669,321
  5. Step 5: Solve for x
    x = 109,818,669,321/214,912
  6. Step 6: Final answer
    x = 510,993.66

Related Problems

Find third proportional to 107,456 and 165,694.50
Half scale
Find third proportional to 429,824 and 662,778
Double scale
Find third proportional to 214,914 and 331,392
Similar ratio
Find third proportional to 322,368 and 497,083.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.