Home / 133,055-206,590

Finding the Third Proportional to 133,055 and 206,590

Calculator

Solution

The third proportional to 133,055 and 206,590 is: 320,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055 : 206,590 = 206,590 : x
  2. Step 2: Convert to fraction form
    133,055/206,590 = 206,590/x
  3. Step 3: Cross multiply
    133,055x = 206,590 × 206,590
  4. Step 4: Simplify right side
    133,055x = 42,679,428,100
  5. Step 5: Solve for x
    x = 42,679,428,100/133,055
  6. Step 6: Final answer
    x = 320,765.31

Related Problems

Find third proportional to 66,527.50 and 103,295
Half scale
Find third proportional to 266,110 and 413,180
Double scale
Find third proportional to 133,057 and 206,593
Similar ratio
Find third proportional to 199,582.50 and 309,885
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.