Home / 90,492-198,830

Finding the Third Proportional to 90,492 and 198,830

Calculator

Solution

The third proportional to 90,492 and 198,830 is: 436,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,492 : 198,830 = 198,830 : x
  2. Step 2: Convert to fraction form
    90,492/198,830 = 198,830/x
  3. Step 3: Cross multiply
    90,492x = 198,830 × 198,830
  4. Step 4: Simplify right side
    90,492x = 39,533,368,900
  5. Step 5: Solve for x
    x = 39,533,368,900/90,492
  6. Step 6: Final answer
    x = 436,871.42

Related Problems

Find third proportional to 45,246 and 99,415
Half scale
Find third proportional to 180,984 and 397,660
Double scale
Find third proportional to 90,494 and 198,834
Similar ratio
Find third proportional to 135,738 and 298,245
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.