Home / 139,954-216,149

Finding the Third Proportional to 139,954 and 216,149

Calculator

Solution

The third proportional to 139,954 and 216,149 is: 333,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,954 : 216,149 = 216,149 : x
  2. Step 2: Convert to fraction form
    139,954/216,149 = 216,149/x
  3. Step 3: Cross multiply
    139,954x = 216,149 × 216,149
  4. Step 4: Simplify right side
    139,954x = 46,720,390,201
  5. Step 5: Solve for x
    x = 46,720,390,201/139,954
  6. Step 6: Final answer
    x = 333,826.76

Related Problems

Find third proportional to 69,977 and 108,074.50
Half scale
Find third proportional to 279,908 and 432,298
Double scale
Find third proportional to 139,956 and 216,152
Similar ratio
Find third proportional to 209,931 and 324,223.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.