Home / 195,512-428,390

Finding the Third Proportional to 195,512 and 428,390

Calculator

Solution

The third proportional to 195,512 and 428,390 is: 938,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,512 : 428,390 = 428,390 : x
  2. Step 2: Convert to fraction form
    195,512/428,390 = 428,390/x
  3. Step 3: Cross multiply
    195,512x = 428,390 × 428,390
  4. Step 4: Simplify right side
    195,512x = 183,517,992,100
  5. Step 5: Solve for x
    x = 183,517,992,100/195,512
  6. Step 6: Final answer
    x = 938,653.34

Related Problems

Find third proportional to 97,756 and 214,195
Half scale
Find third proportional to 391,024 and 856,780
Double scale
Find third proportional to 195,514 and 428,394
Similar ratio
Find third proportional to 293,268 and 642,585
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.