Home / 199,101-421,520.50

Finding the Third Proportional to 199,101 and 421,520.50

Calculator

Solution

The third proportional to 199,101 and 421,520.50 is: 892,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,101 : 421,520.50 = 421,520.50 : x
  2. Step 2: Convert to fraction form
    199,101/421,520.50 = 421,520.50/x
  3. Step 3: Cross multiply
    199,101x = 421,520.50 × 421,520.50
  4. Step 4: Simplify right side
    199,101x = 177,679,531,920.25
  5. Step 5: Solve for x
    x = 177,679,531,920.25/199,101
  6. Step 6: Final answer
    x = 892,409.04

Related Problems

Find third proportional to 99,550.50 and 210,760.25
Half scale
Find third proportional to 398,202 and 843,041
Double scale
Find third proportional to 199,103 and 421,525
Similar ratio
Find third proportional to 298,651.50 and 632,280.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.