Home / 394,972-864,950

Finding the Third Proportional to 394,972 and 864,950

Calculator

Solution

The third proportional to 394,972 and 864,950 is: 1,894,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,972 : 864,950 = 864,950 : x
  2. Step 2: Convert to fraction form
    394,972/864,950 = 864,950/x
  3. Step 3: Cross multiply
    394,972x = 864,950 × 864,950
  4. Step 4: Simplify right side
    394,972x = 748,138,502,500
  5. Step 5: Solve for x
    x = 748,138,502,500/394,972
  6. Step 6: Final answer
    x = 1,894,155.79

Related Problems

Find third proportional to 197,486 and 432,475
Half scale
Find third proportional to 789,944 and 1,729,900
Double scale
Find third proportional to 394,974 and 864,954
Similar ratio
Find third proportional to 592,458 and 1,297,425
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.