Home / 20,396-41,890

Finding the Third Proportional to 20,396 and 41,890

Calculator

Solution

The third proportional to 20,396 and 41,890 is: 86,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396 : 41,890 = 41,890 : x
  2. Step 2: Convert to fraction form
    20,396/41,890 = 41,890/x
  3. Step 3: Cross multiply
    20,396x = 41,890 × 41,890
  4. Step 4: Simplify right side
    20,396x = 1,754,772,100
  5. Step 5: Solve for x
    x = 1,754,772,100/20,396
  6. Step 6: Final answer
    x = 86,035.11

Related Problems

Find third proportional to 10,198 and 20,945
Half scale
Find third proportional to 40,792 and 83,780
Double scale
Find third proportional to 20,398 and 41,894
Similar ratio
Find third proportional to 30,594 and 62,835
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.