Home / 20,919-43,992

Finding the Third Proportional to 20,919 and 43,992

Calculator

Solution

The third proportional to 20,919 and 43,992 is: 92,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,919 : 43,992 = 43,992 : x
  2. Step 2: Convert to fraction form
    20,919/43,992 = 43,992/x
  3. Step 3: Cross multiply
    20,919x = 43,992 × 43,992
  4. Step 4: Simplify right side
    20,919x = 1,935,296,064
  5. Step 5: Solve for x
    x = 1,935,296,064/20,919
  6. Step 6: Final answer
    x = 92,513.79

Related Problems

Find third proportional to 10,459.50 and 21,996
Half scale
Find third proportional to 41,838 and 87,984
Double scale
Find third proportional to 20,921 and 43,996
Similar ratio
Find third proportional to 31,378.50 and 65,988
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.