Home / 120,540,018-261,629,079

Finding the Third Proportional to 120,540,018 and 261,629,079

Calculator

Solution

The third proportional to 120,540,018 and 261,629,079 is: 567,859,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,540,018 : 261,629,079 = 261,629,079 : x
  2. Step 2: Convert to fraction form
    120,540,018/261,629,079 = 261,629,079/x
  3. Step 3: Cross multiply
    120,540,018x = 261,629,079 × 261,629,079
  4. Step 4: Simplify right side
    120,540,018x = 68,449,774,978,388,240
  5. Step 5: Solve for x
    x = 68,449,774,978,388,240/120,540,018
  6. Step 6: Final answer
    x = 567,859,339.28

Related Problems

Find third proportional to 60,270,009 and 130,814,539.50
Half scale
Find third proportional to 241,080,036 and 523,258,158
Double scale
Find third proportional to 120,540,020 and 261,629,083
Similar ratio
Find third proportional to 180,810,027 and 392,443,618.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.