Home / 407,824-622,104

Finding the Third Proportional to 407,824 and 622,104

Calculator

Solution

The third proportional to 407,824 and 622,104 is: 948,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,824 : 622,104 = 622,104 : x
  2. Step 2: Convert to fraction form
    407,824/622,104 = 622,104/x
  3. Step 3: Cross multiply
    407,824x = 622,104 × 622,104
  4. Step 4: Simplify right side
    407,824x = 387,013,386,816
  5. Step 5: Solve for x
    x = 387,013,386,816/407,824
  6. Step 6: Final answer
    x = 948,971.58

Related Problems

Find third proportional to 203,912 and 311,052
Half scale
Find third proportional to 815,648 and 1,244,208
Double scale
Find third proportional to 407,826 and 622,107
Similar ratio
Find third proportional to 611,736 and 933,156
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.