Home / 27,779-43,019

Finding the Third Proportional to 27,779 and 43,019

Calculator

Solution

The third proportional to 27,779 and 43,019 is: 66,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779 : 43,019 = 43,019 : x
  2. Step 2: Convert to fraction form
    27,779/43,019 = 43,019/x
  3. Step 3: Cross multiply
    27,779x = 43,019 × 43,019
  4. Step 4: Simplify right side
    27,779x = 1,850,634,361
  5. Step 5: Solve for x
    x = 1,850,634,361/27,779
  6. Step 6: Final answer
    x = 66,619.91

Related Problems

Find third proportional to 13,889.50 and 21,509.50
Half scale
Find third proportional to 55,558 and 86,038
Double scale
Find third proportional to 27,781 and 43,022
Similar ratio
Find third proportional to 41,668.50 and 64,528.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.