Home / 392,222-856,372

Finding the Third Proportional to 392,222 and 856,372

Calculator

Solution

The third proportional to 392,222 and 856,372 is: 1,869,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,222 : 856,372 = 856,372 : x
  2. Step 2: Convert to fraction form
    392,222/856,372 = 856,372/x
  3. Step 3: Cross multiply
    392,222x = 856,372 × 856,372
  4. Step 4: Simplify right side
    392,222x = 733,373,002,384
  5. Step 5: Solve for x
    x = 733,373,002,384/392,222
  6. Step 6: Final answer
    x = 1,869,790.58

Related Problems

Find third proportional to 196,111 and 428,186
Half scale
Find third proportional to 784,444 and 1,712,744
Double scale
Find third proportional to 392,224 and 856,376
Similar ratio
Find third proportional to 588,333 and 1,284,558
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.