Home / 256,210-364,975

Finding the Third Proportional to 256,210 and 364,975

Calculator

Solution

The third proportional to 256,210 and 364,975 is: 519,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,210 : 364,975 = 364,975 : x
  2. Step 2: Convert to fraction form
    256,210/364,975 = 364,975/x
  3. Step 3: Cross multiply
    256,210x = 364,975 × 364,975
  4. Step 4: Simplify right side
    256,210x = 133,206,750,625
  5. Step 5: Solve for x
    x = 133,206,750,625/256,210
  6. Step 6: Final answer
    x = 519,912.38

Related Problems

Find third proportional to 128,105 and 182,487.50
Half scale
Find third proportional to 512,420 and 729,950
Double scale
Find third proportional to 256,212 and 364,978
Similar ratio
Find third proportional to 384,315 and 547,462.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.