Home / 808,814-1,268,679

Finding the Third Proportional to 808,814 and 1,268,679

Calculator

Solution

The third proportional to 808,814 and 1,268,679 is: 1,990,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,814 : 1,268,679 = 1,268,679 : x
  2. Step 2: Convert to fraction form
    808,814/1,268,679 = 1,268,679/x
  3. Step 3: Cross multiply
    808,814x = 1,268,679 × 1,268,679
  4. Step 4: Simplify right side
    808,814x = 1,609,546,405,041
  5. Step 5: Solve for x
    x = 1,609,546,405,041/808,814
  6. Step 6: Final answer
    x = 1,990,008.09

Related Problems

Find third proportional to 404,407 and 634,339.50
Half scale
Find third proportional to 1,617,628 and 2,537,358
Double scale
Find third proportional to 808,816 and 1,268,682
Similar ratio
Find third proportional to 1,213,221 and 1,903,018.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.