Home / 20,917-29,257

Finding the Third Proportional to 20,917 and 29,257

Calculator

Solution

The third proportional to 20,917 and 29,257 is: 40,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917 : 29,257 = 29,257 : x
  2. Step 2: Convert to fraction form
    20,917/29,257 = 29,257/x
  3. Step 3: Cross multiply
    20,917x = 29,257 × 29,257
  4. Step 4: Simplify right side
    20,917x = 855,972,049
  5. Step 5: Solve for x
    x = 855,972,049/20,917
  6. Step 6: Final answer
    x = 40,922.31

Related Problems

Find third proportional to 10,458.50 and 14,628.50
Half scale
Find third proportional to 41,834 and 58,514
Double scale
Find third proportional to 20,919 and 29,260
Similar ratio
Find third proportional to 31,375.50 and 43,885.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.