Home / 197,400-434,157

Finding the Third Proportional to 197,400 and 434,157

Calculator

Solution

The third proportional to 197,400 and 434,157 is: 954,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,400 : 434,157 = 434,157 : x
  2. Step 2: Convert to fraction form
    197,400/434,157 = 434,157/x
  3. Step 3: Cross multiply
    197,400x = 434,157 × 434,157
  4. Step 4: Simplify right side
    197,400x = 188,492,300,649
  5. Step 5: Solve for x
    x = 188,492,300,649/197,400
  6. Step 6: Final answer
    x = 954,874.88

Related Problems

Find third proportional to 98,700 and 217,078.50
Half scale
Find third proportional to 394,800 and 868,314
Double scale
Find third proportional to 197,402 and 434,161
Similar ratio
Find third proportional to 296,100 and 651,235.50
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.