Home / 256,074-339,804

Finding the Third Proportional to 256,074 and 339,804

Calculator

Solution

The third proportional to 256,074 and 339,804 is: 450,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,074 : 339,804 = 339,804 : x
  2. Step 2: Convert to fraction form
    256,074/339,804 = 339,804/x
  3. Step 3: Cross multiply
    256,074x = 339,804 × 339,804
  4. Step 4: Simplify right side
    256,074x = 115,466,758,416
  5. Step 5: Solve for x
    x = 115,466,758,416/256,074
  6. Step 6: Final answer
    x = 450,911.68

Related Problems

Find third proportional to 128,037 and 169,902
Half scale
Find third proportional to 512,148 and 679,608
Double scale
Find third proportional to 256,076 and 339,807
Similar ratio
Find third proportional to 384,111 and 509,706
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.