Home / 213,378-459,804

Finding the Third Proportional to 213,378 and 459,804

Calculator

Solution

The third proportional to 213,378 and 459,804 is: 990,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,378 : 459,804 = 459,804 : x
  2. Step 2: Convert to fraction form
    213,378/459,804 = 459,804/x
  3. Step 3: Cross multiply
    213,378x = 459,804 × 459,804
  4. Step 4: Simplify right side
    213,378x = 211,419,718,416
  5. Step 5: Solve for x
    x = 211,419,718,416/213,378
  6. Step 6: Final answer
    x = 990,822.48

Related Problems

Find third proportional to 106,689 and 229,902
Half scale
Find third proportional to 426,756 and 919,608
Double scale
Find third proportional to 213,380 and 459,808
Similar ratio
Find third proportional to 320,067 and 689,706
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.