Home / 115,428-180,431

Finding the Third Proportional to 115,428 and 180,431

Calculator

Solution

The third proportional to 115,428 and 180,431 is: 282,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,428 : 180,431 = 180,431 : x
  2. Step 2: Convert to fraction form
    115,428/180,431 = 180,431/x
  3. Step 3: Cross multiply
    115,428x = 180,431 × 180,431
  4. Step 4: Simplify right side
    115,428x = 32,555,345,761
  5. Step 5: Solve for x
    x = 32,555,345,761/115,428
  6. Step 6: Final answer
    x = 282,040.28

Related Problems

Find third proportional to 57,714 and 90,215.50
Half scale
Find third proportional to 230,856 and 360,862
Double scale
Find third proportional to 115,430 and 180,434
Similar ratio
Find third proportional to 173,142 and 270,646.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.