Home / 256,212-377,694

Finding the Third Proportional to 256,212 and 377,694

Calculator

Solution

The third proportional to 256,212 and 377,694 is: 556,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,212 : 377,694 = 377,694 : x
  2. Step 2: Convert to fraction form
    256,212/377,694 = 377,694/x
  3. Step 3: Cross multiply
    256,212x = 377,694 × 377,694
  4. Step 4: Simplify right side
    256,212x = 142,652,757,636
  5. Step 5: Solve for x
    x = 142,652,757,636/256,212
  6. Step 6: Final answer
    x = 556,776.25

Related Problems

Find third proportional to 128,106 and 188,847
Half scale
Find third proportional to 512,424 and 755,388
Double scale
Find third proportional to 256,214 and 377,697
Similar ratio
Find third proportional to 384,318 and 566,541
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.