Home / 110,740-259,980

Finding the Third Proportional to 110,740 and 259,980

Calculator

Solution

The third proportional to 110,740 and 259,980 is: 610,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,740 : 259,980 = 259,980 : x
  2. Step 2: Convert to fraction form
    110,740/259,980 = 259,980/x
  3. Step 3: Cross multiply
    110,740x = 259,980 × 259,980
  4. Step 4: Simplify right side
    110,740x = 67,589,600,400
  5. Step 5: Solve for x
    x = 67,589,600,400/110,740
  6. Step 6: Final answer
    x = 610,344.96

Related Problems

Find third proportional to 55,370 and 129,990
Half scale
Find third proportional to 221,480 and 519,960
Double scale
Find third proportional to 110,742 and 259,985
Similar ratio
Find third proportional to 166,110 and 389,970
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.