Home / 126,576-278,416

Finding the Third Proportional to 126,576 and 278,416

Calculator

Solution

The third proportional to 126,576 and 278,416 is: 612,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,576 : 278,416 = 278,416 : x
  2. Step 2: Convert to fraction form
    126,576/278,416 = 278,416/x
  3. Step 3: Cross multiply
    126,576x = 278,416 × 278,416
  4. Step 4: Simplify right side
    126,576x = 77,515,469,056
  5. Step 5: Solve for x
    x = 77,515,469,056/126,576
  6. Step 6: Final answer
    x = 612,402.58

Related Problems

Find third proportional to 63,288 and 139,208
Half scale
Find third proportional to 253,152 and 556,832
Double scale
Find third proportional to 126,578 and 278,420
Similar ratio
Find third proportional to 189,864 and 417,624
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.