Home / 20,530-47,977

Finding the Third Proportional to 20,530 and 47,977

Calculator

Solution

The third proportional to 20,530 and 47,977 is: 112,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530 : 47,977 = 47,977 : x
  2. Step 2: Convert to fraction form
    20,530/47,977 = 47,977/x
  3. Step 3: Cross multiply
    20,530x = 47,977 × 47,977
  4. Step 4: Simplify right side
    20,530x = 2,301,792,529
  5. Step 5: Solve for x
    x = 2,301,792,529/20,530
  6. Step 6: Final answer
    x = 112,118.49

Related Problems

Find third proportional to 10,265 and 23,988.50
Half scale
Find third proportional to 41,060 and 95,954
Double scale
Find third proportional to 20,532 and 47,982
Similar ratio
Find third proportional to 30,795 and 71,965.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.