Home / 11,896-15,620

Finding the Third Proportional to 11,896 and 15,620

Calculator

Solution

The third proportional to 11,896 and 15,620 is: 20,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896 : 15,620 = 15,620 : x
  2. Step 2: Convert to fraction form
    11,896/15,620 = 15,620/x
  3. Step 3: Cross multiply
    11,896x = 15,620 × 15,620
  4. Step 4: Simplify right side
    11,896x = 243,984,400
  5. Step 5: Solve for x
    x = 243,984,400/11,896
  6. Step 6: Final answer
    x = 20,509.78

Related Problems

Find third proportional to 5,948 and 7,810
Half scale
Find third proportional to 23,792 and 31,240
Double scale
Find third proportional to 11,898 and 15,623
Similar ratio
Find third proportional to 17,844 and 23,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.