Home / 628,816-888,904

Finding the Third Proportional to 628,816 and 888,904

Calculator

Solution

The third proportional to 628,816 and 888,904 is: 1,256,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,816 : 888,904 = 888,904 : x
  2. Step 2: Convert to fraction form
    628,816/888,904 = 888,904/x
  3. Step 3: Cross multiply
    628,816x = 888,904 × 888,904
  4. Step 4: Simplify right side
    628,816x = 790,150,321,216
  5. Step 5: Solve for x
    x = 790,150,321,216/628,816
  6. Step 6: Final answer
    x = 1,256,568.41

Related Problems

Find third proportional to 314,408 and 444,452
Half scale
Find third proportional to 1,257,632 and 1,777,808
Double scale
Find third proportional to 628,818 and 888,907
Similar ratio
Find third proportional to 943,224 and 1,333,356
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.