Home / 422,640-626,976

Finding the Third Proportional to 422,640 and 626,976

Calculator

Solution

The third proportional to 422,640 and 626,976 is: 930,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,640 : 626,976 = 626,976 : x
  2. Step 2: Convert to fraction form
    422,640/626,976 = 626,976/x
  3. Step 3: Cross multiply
    422,640x = 626,976 × 626,976
  4. Step 4: Simplify right side
    422,640x = 393,098,904,576
  5. Step 5: Solve for x
    x = 393,098,904,576/422,640
  6. Step 6: Final answer
    x = 930,103.41

Related Problems

Find third proportional to 211,320 and 313,488
Half scale
Find third proportional to 845,280 and 1,253,952
Double scale
Find third proportional to 422,642 and 626,979
Similar ratio
Find third proportional to 633,960 and 940,464
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.