Home / 135,201-212,081

Finding the Third Proportional to 135,201 and 212,081

Calculator

Solution

The third proportional to 135,201 and 212,081 is: 332,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,201 : 212,081 = 212,081 : x
  2. Step 2: Convert to fraction form
    135,201/212,081 = 212,081/x
  3. Step 3: Cross multiply
    135,201x = 212,081 × 212,081
  4. Step 4: Simplify right side
    135,201x = 44,978,350,561
  5. Step 5: Solve for x
    x = 44,978,350,561/135,201
  6. Step 6: Final answer
    x = 332,677.65

Related Problems

Find third proportional to 67,600.50 and 106,040.50
Half scale
Find third proportional to 270,402 and 424,162
Double scale
Find third proportional to 135,203 and 212,084
Similar ratio
Find third proportional to 202,801.50 and 318,121.50
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.