Home / 555,456-1,211,268

Finding the Third Proportional to 555,456 and 1,211,268

Calculator

Solution

The third proportional to 555,456 and 1,211,268 is: 2,641,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,456 : 1,211,268 = 1,211,268 : x
  2. Step 2: Convert to fraction form
    555,456/1,211,268 = 1,211,268/x
  3. Step 3: Cross multiply
    555,456x = 1,211,268 × 1,211,268
  4. Step 4: Simplify right side
    555,456x = 1,467,170,167,824
  5. Step 5: Solve for x
    x = 1,467,170,167,824/555,456
  6. Step 6: Final answer
    x = 2,641,379.64

Related Problems

Find third proportional to 277,728 and 605,634
Half scale
Find third proportional to 1,110,912 and 2,422,536
Double scale
Find third proportional to 555,458 and 1,211,272
Similar ratio
Find third proportional to 833,184 and 1,816,902
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.