Home / 189,904-397,350

Finding the Third Proportional to 189,904 and 397,350

Calculator

Solution

The third proportional to 189,904 and 397,350 is: 831,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,904 : 397,350 = 397,350 : x
  2. Step 2: Convert to fraction form
    189,904/397,350 = 397,350/x
  3. Step 3: Cross multiply
    189,904x = 397,350 × 397,350
  4. Step 4: Simplify right side
    189,904x = 157,887,022,500
  5. Step 5: Solve for x
    x = 157,887,022,500/189,904
  6. Step 6: Final answer
    x = 831,404.41

Related Problems

Find third proportional to 94,952 and 198,675
Half scale
Find third proportional to 379,808 and 794,700
Double scale
Find third proportional to 189,906 and 397,354
Similar ratio
Find third proportional to 284,856 and 596,025
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.