Home / 406,800-629,883

Finding the Third Proportional to 406,800 and 629,883

Calculator

Solution

The third proportional to 406,800 and 629,883 is: 975,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,800 : 629,883 = 629,883 : x
  2. Step 2: Convert to fraction form
    406,800/629,883 = 629,883/x
  3. Step 3: Cross multiply
    406,800x = 629,883 × 629,883
  4. Step 4: Simplify right side
    406,800x = 396,752,593,689
  5. Step 5: Solve for x
    x = 396,752,593,689/406,800
  6. Step 6: Final answer
    x = 975,301.36

Related Problems

Find third proportional to 203,400 and 314,941.50
Half scale
Find third proportional to 813,600 and 1,259,766
Double scale
Find third proportional to 406,802 and 629,886
Similar ratio
Find third proportional to 610,200 and 944,824.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.