Home / 133,620-310,722

Finding the Third Proportional to 133,620 and 310,722

Calculator

Solution

The third proportional to 133,620 and 310,722 is: 722,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,620 : 310,722 = 310,722 : x
  2. Step 2: Convert to fraction form
    133,620/310,722 = 310,722/x
  3. Step 3: Cross multiply
    133,620x = 310,722 × 310,722
  4. Step 4: Simplify right side
    133,620x = 96,548,161,284
  5. Step 5: Solve for x
    x = 96,548,161,284/133,620
  6. Step 6: Final answer
    x = 722,557.71

Related Problems

Find third proportional to 66,810 and 155,361
Half scale
Find third proportional to 267,240 and 621,444
Double scale
Find third proportional to 133,622 and 310,727
Similar ratio
Find third proportional to 200,430 and 466,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.