Home / 39,620-87,017

Finding the Third Proportional to 39,620 and 87,017

Calculator

Solution

The third proportional to 39,620 and 87,017 is: 191,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620 : 87,017 = 87,017 : x
  2. Step 2: Convert to fraction form
    39,620/87,017 = 87,017/x
  3. Step 3: Cross multiply
    39,620x = 87,017 × 87,017
  4. Step 4: Simplify right side
    39,620x = 7,571,958,289
  5. Step 5: Solve for x
    x = 7,571,958,289/39,620
  6. Step 6: Final answer
    x = 191,114.55

Related Problems

Find third proportional to 19,810 and 43,508.50
Half scale
Find third proportional to 79,240 and 174,034
Double scale
Find third proportional to 39,622 and 87,021
Similar ratio
Find third proportional to 59,430 and 130,525.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.