Home / 90,326-198,628

Finding the Third Proportional to 90,326 and 198,628

Calculator

Solution

The third proportional to 90,326 and 198,628 is: 436,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,326 : 198,628 = 198,628 : x
  2. Step 2: Convert to fraction form
    90,326/198,628 = 198,628/x
  3. Step 3: Cross multiply
    90,326x = 198,628 × 198,628
  4. Step 4: Simplify right side
    90,326x = 39,453,082,384
  5. Step 5: Solve for x
    x = 39,453,082,384/90,326
  6. Step 6: Final answer
    x = 436,785.45

Related Problems

Find third proportional to 45,163 and 99,314
Half scale
Find third proportional to 180,652 and 397,256
Double scale
Find third proportional to 90,328 and 198,632
Similar ratio
Find third proportional to 135,489 and 297,942
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.