Home / 21,642-47,067

Finding the Third Proportional to 21,642 and 47,067

Calculator

Solution

The third proportional to 21,642 and 47,067 is: 102,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642 : 47,067 = 47,067 : x
  2. Step 2: Convert to fraction form
    21,642/47,067 = 47,067/x
  3. Step 3: Cross multiply
    21,642x = 47,067 × 47,067
  4. Step 4: Simplify right side
    21,642x = 2,215,302,489
  5. Step 5: Solve for x
    x = 2,215,302,489/21,642
  6. Step 6: Final answer
    x = 102,361.26

Related Problems

Find third proportional to 10,821 and 23,533.50
Half scale
Find third proportional to 43,284 and 94,134
Double scale
Find third proportional to 21,644 and 47,071
Similar ratio
Find third proportional to 32,463 and 70,600.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.