Home / 422,960-622,740

Finding the Third Proportional to 422,960 and 622,740

Calculator

Solution

The third proportional to 422,960 and 622,740 is: 916,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,960 : 622,740 = 622,740 : x
  2. Step 2: Convert to fraction form
    422,960/622,740 = 622,740/x
  3. Step 3: Cross multiply
    422,960x = 622,740 × 622,740
  4. Step 4: Simplify right side
    422,960x = 387,805,107,600
  5. Step 5: Solve for x
    x = 387,805,107,600/422,960
  6. Step 6: Final answer
    x = 916,883.65

Related Problems

Find third proportional to 211,480 and 311,370
Half scale
Find third proportional to 845,920 and 1,245,480
Double scale
Find third proportional to 422,962 and 622,743
Similar ratio
Find third proportional to 634,440 and 934,110
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.