Home / 155,179,986-258,622,508

Finding the Third Proportional to 155,179,986 and 258,622,508

Calculator

Solution

The third proportional to 155,179,986 and 258,622,508 is: 431,019,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,179,986 : 258,622,508 = 258,622,508 : x
  2. Step 2: Convert to fraction form
    155,179,986/258,622,508 = 258,622,508/x
  3. Step 3: Cross multiply
    155,179,986x = 258,622,508 × 258,622,508
  4. Step 4: Simplify right side
    155,179,986x = 66,885,601,644,210,064
  5. Step 5: Solve for x
    x = 66,885,601,644,210,064/155,179,986
  6. Step 6: Final answer
    x = 431,019,510.75

Related Problems

Find third proportional to 77,589,993 and 129,311,254
Half scale
Find third proportional to 310,359,972 and 517,245,016
Double scale
Find third proportional to 155,179,988 and 258,622,511
Similar ratio
Find third proportional to 232,769,979 and 387,933,762
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.