Home / 518,913-1,139,982.75

Finding the Third Proportional to 518,913 and 1,139,982.75

Calculator

Solution

The third proportional to 518,913 and 1,139,982.75 is: 2,504,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,913 : 1,139,982.75 = 1,139,982.75 : x
  2. Step 2: Convert to fraction form
    518,913/1,139,982.75 = 1,139,982.75/x
  3. Step 3: Cross multiply
    518,913x = 1,139,982.75 × 1,139,982.75
  4. Step 4: Simplify right side
    518,913x = 1,299,560,670,297.56
  5. Step 5: Solve for x
    x = 1,299,560,670,297.56/518,913
  6. Step 6: Final answer
    x = 2,504,390.27

Related Problems

Find third proportional to 259,456.50 and 569,991.38
Half scale
Find third proportional to 1,037,826 and 2,279,965.50
Double scale
Find third proportional to 518,915 and 1,139,987
Similar ratio
Find third proportional to 778,369.50 and 1,709,974.13
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.