Home / 133,438-290,204

Finding the Third Proportional to 133,438 and 290,204

Calculator

Solution

The third proportional to 133,438 and 290,204 is: 631,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438 : 290,204 = 290,204 : x
  2. Step 2: Convert to fraction form
    133,438/290,204 = 290,204/x
  3. Step 3: Cross multiply
    133,438x = 290,204 × 290,204
  4. Step 4: Simplify right side
    133,438x = 84,218,361,616
  5. Step 5: Solve for x
    x = 84,218,361,616/133,438
  6. Step 6: Final answer
    x = 631,142.27

Related Problems

Find third proportional to 66,719 and 145,102
Half scale
Find third proportional to 266,876 and 580,408
Double scale
Find third proportional to 133,440 and 290,208
Similar ratio
Find third proportional to 200,157 and 435,306
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.