Home / 90,495-198,836

Finding the Third Proportional to 90,495 and 198,836

Calculator

Solution

The third proportional to 90,495 and 198,836 is: 436,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495 : 198,836 = 198,836 : x
  2. Step 2: Convert to fraction form
    90,495/198,836 = 198,836/x
  3. Step 3: Cross multiply
    90,495x = 198,836 × 198,836
  4. Step 4: Simplify right side
    90,495x = 39,535,754,896
  5. Step 5: Solve for x
    x = 39,535,754,896/90,495
  6. Step 6: Final answer
    x = 436,883.31

Related Problems

Find third proportional to 45,247.50 and 99,418
Half scale
Find third proportional to 180,990 and 397,672
Double scale
Find third proportional to 90,497 and 198,840
Similar ratio
Find third proportional to 135,742.50 and 298,254
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.