Home / 389,268-836,734

Finding the Third Proportional to 389,268 and 836,734

Calculator

Solution

The third proportional to 389,268 and 836,734 is: 1,798,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,268 : 836,734 = 836,734 : x
  2. Step 2: Convert to fraction form
    389,268/836,734 = 836,734/x
  3. Step 3: Cross multiply
    389,268x = 836,734 × 836,734
  4. Step 4: Simplify right side
    389,268x = 700,123,786,756
  5. Step 5: Solve for x
    x = 700,123,786,756/389,268
  6. Step 6: Final answer
    x = 1,798,564.96

Related Problems

Find third proportional to 194,634 and 418,367
Half scale
Find third proportional to 778,536 and 1,673,468
Double scale
Find third proportional to 389,270 and 836,738
Similar ratio
Find third proportional to 583,902 and 1,255,101
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.