Home / 342,403-824,879

Finding the Third Proportional to 342,403 and 824,879

Calculator

Solution

The third proportional to 342,403 and 824,879 is: 1,987,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,403 : 824,879 = 824,879 : x
  2. Step 2: Convert to fraction form
    342,403/824,879 = 824,879/x
  3. Step 3: Cross multiply
    342,403x = 824,879 × 824,879
  4. Step 4: Simplify right side
    342,403x = 680,425,364,641
  5. Step 5: Solve for x
    x = 680,425,364,641/342,403
  6. Step 6: Final answer
    x = 1,987,206.20

Related Problems

Find third proportional to 171,201.50 and 412,439.50
Half scale
Find third proportional to 684,806 and 1,649,758
Double scale
Find third proportional to 342,405 and 824,884
Similar ratio
Find third proportional to 513,604.50 and 1,237,318.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.