Home / 21,604-43,976

Finding the Third Proportional to 21,604 and 43,976

Calculator

Solution

The third proportional to 21,604 and 43,976 is: 89,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604 : 43,976 = 43,976 : x
  2. Step 2: Convert to fraction form
    21,604/43,976 = 43,976/x
  3. Step 3: Cross multiply
    21,604x = 43,976 × 43,976
  4. Step 4: Simplify right side
    21,604x = 1,933,888,576
  5. Step 5: Solve for x
    x = 1,933,888,576/21,604
  6. Step 6: Final answer
    x = 89,515.30

Related Problems

Find third proportional to 10,802 and 21,988
Half scale
Find third proportional to 43,208 and 87,952
Double scale
Find third proportional to 21,606 and 43,980
Similar ratio
Find third proportional to 32,406 and 65,964
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.