Home / 172,233-378,414

Finding the Third Proportional to 172,233 and 378,414

Calculator

Solution

The third proportional to 172,233 and 378,414 is: 831,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,233 : 378,414 = 378,414 : x
  2. Step 2: Convert to fraction form
    172,233/378,414 = 378,414/x
  3. Step 3: Cross multiply
    172,233x = 378,414 × 378,414
  4. Step 4: Simplify right side
    172,233x = 143,197,155,396
  5. Step 5: Solve for x
    x = 143,197,155,396/172,233
  6. Step 6: Final answer
    x = 831,415.32

Related Problems

Find third proportional to 86,116.50 and 189,207
Half scale
Find third proportional to 344,466 and 756,828
Double scale
Find third proportional to 172,235 and 378,418
Similar ratio
Find third proportional to 258,349.50 and 567,621
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.