Home / 57,357-126,378

Finding the Third Proportional to 57,357 and 126,378

Calculator

Solution

The third proportional to 57,357 and 126,378 is: 278,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357 : 126,378 = 126,378 : x
  2. Step 2: Convert to fraction form
    57,357/126,378 = 126,378/x
  3. Step 3: Cross multiply
    57,357x = 126,378 × 126,378
  4. Step 4: Simplify right side
    57,357x = 15,971,398,884
  5. Step 5: Solve for x
    x = 15,971,398,884/57,357
  6. Step 6: Final answer
    x = 278,455.97

Related Problems

Find third proportional to 28,678.50 and 63,189
Half scale
Find third proportional to 114,714 and 252,756
Double scale
Find third proportional to 57,359 and 126,382
Similar ratio
Find third proportional to 86,035.50 and 189,567
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.