Home / 21,829-34,619

Finding the Third Proportional to 21,829 and 34,619

Calculator

Solution

The third proportional to 21,829 and 34,619 is: 54,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829 : 34,619 = 34,619 : x
  2. Step 2: Convert to fraction form
    21,829/34,619 = 34,619/x
  3. Step 3: Cross multiply
    21,829x = 34,619 × 34,619
  4. Step 4: Simplify right side
    21,829x = 1,198,475,161
  5. Step 5: Solve for x
    x = 1,198,475,161/21,829
  6. Step 6: Final answer
    x = 54,902.89

Related Problems

Find third proportional to 10,914.50 and 17,309.50
Half scale
Find third proportional to 43,658 and 69,238
Double scale
Find third proportional to 21,831 and 34,622
Similar ratio
Find third proportional to 32,743.50 and 51,928.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.