Home / 20,210-29,288

Finding the Third Proportional to 20,210 and 29,288

Calculator

Solution

The third proportional to 20,210 and 29,288 is: 42,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210 : 29,288 = 29,288 : x
  2. Step 2: Convert to fraction form
    20,210/29,288 = 29,288/x
  3. Step 3: Cross multiply
    20,210x = 29,288 × 29,288
  4. Step 4: Simplify right side
    20,210x = 857,786,944
  5. Step 5: Solve for x
    x = 857,786,944/20,210
  6. Step 6: Final answer
    x = 42,443.69

Related Problems

Find third proportional to 10,105 and 14,644
Half scale
Find third proportional to 40,420 and 58,576
Double scale
Find third proportional to 20,212 and 29,291
Similar ratio
Find third proportional to 30,315 and 43,932
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.