Home / 282,690-396,186

Finding the Third Proportional to 282,690 and 396,186

Calculator

Solution

The third proportional to 282,690 and 396,186 is: 555,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,690 : 396,186 = 396,186 : x
  2. Step 2: Convert to fraction form
    282,690/396,186 = 396,186/x
  3. Step 3: Cross multiply
    282,690x = 396,186 × 396,186
  4. Step 4: Simplify right side
    282,690x = 156,963,346,596
  5. Step 5: Solve for x
    x = 156,963,346,596/282,690
  6. Step 6: Final answer
    x = 555,249.02

Related Problems

Find third proportional to 141,345 and 198,093
Half scale
Find third proportional to 565,380 and 792,372
Double scale
Find third proportional to 282,692 and 396,189
Similar ratio
Find third proportional to 424,035 and 594,279
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.