Home / 172,244-378,436

Finding the Third Proportional to 172,244 and 378,436

Calculator

Solution

The third proportional to 172,244 and 378,436 is: 831,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,244 : 378,436 = 378,436 : x
  2. Step 2: Convert to fraction form
    172,244/378,436 = 378,436/x
  3. Step 3: Cross multiply
    172,244x = 378,436 × 378,436
  4. Step 4: Simplify right side
    172,244x = 143,213,806,096
  5. Step 5: Solve for x
    x = 143,213,806,096/172,244
  6. Step 6: Final answer
    x = 831,458.90

Related Problems

Find third proportional to 86,122 and 189,218
Half scale
Find third proportional to 344,488 and 756,872
Double scale
Find third proportional to 172,246 and 378,440
Similar ratio
Find third proportional to 258,366 and 567,654
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.