Home / 218,901-325,431

Finding the Third Proportional to 218,901 and 325,431

Calculator

Solution

The third proportional to 218,901 and 325,431 is: 483,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,901 : 325,431 = 325,431 : x
  2. Step 2: Convert to fraction form
    218,901/325,431 = 325,431/x
  3. Step 3: Cross multiply
    218,901x = 325,431 × 325,431
  4. Step 4: Simplify right side
    218,901x = 105,905,335,761
  5. Step 5: Solve for x
    x = 105,905,335,761/218,901
  6. Step 6: Final answer
    x = 483,804.71

Related Problems

Find third proportional to 109,450.50 and 162,715.50
Half scale
Find third proportional to 437,802 and 650,862
Double scale
Find third proportional to 218,903 and 325,434
Similar ratio
Find third proportional to 328,351.50 and 488,146.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.