Home / 331,189,790,020-720,407,458,395

Finding the Third Proportional to 331,189,790,020 and 720,407,458,395

Calculator

Solution

The third proportional to 331,189,790,020 and 720,407,458,395 is: 1,567,037,758,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,189,790,020 : 720,407,458,395 = 720,407,458,395 : x
  2. Step 2: Convert to fraction form
    331,189,790,020/720,407,458,395 = 720,407,458,395/x
  3. Step 3: Cross multiply
    331,189,790,020x = 720,407,458,395 × 720,407,458,395
  4. Step 4: Simplify right side
    331,189,790,020x = 518,986,906,111,143,663,632,384
  5. Step 5: Solve for x
    x = 518,986,906,111,143,663,632,384/331,189,790,020
  6. Step 6: Final answer
    x = 1,567,037,758,258.80

Related Problems

Find third proportional to 165,594,895,010 and 360,203,729,197.50
Half scale
Find third proportional to 662,379,580,040 and 1,440,814,916,790
Double scale
Find third proportional to 331,189,790,022 and 720,407,458,399
Similar ratio
Find third proportional to 496,784,685,030 and 1,080,611,187,592.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.