Home / 136,668-207,768

Finding the Third Proportional to 136,668 and 207,768

Calculator

Solution

The third proportional to 136,668 and 207,768 is: 315,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,668 : 207,768 = 207,768 : x
  2. Step 2: Convert to fraction form
    136,668/207,768 = 207,768/x
  3. Step 3: Cross multiply
    136,668x = 207,768 × 207,768
  4. Step 4: Simplify right side
    136,668x = 43,167,541,824
  5. Step 5: Solve for x
    x = 43,167,541,824/136,668
  6. Step 6: Final answer
    x = 315,856.98

Related Problems

Find third proportional to 68,334 and 103,884
Half scale
Find third proportional to 273,336 and 415,536
Double scale
Find third proportional to 136,670 and 207,771
Similar ratio
Find third proportional to 205,002 and 311,652
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.