Home / 20,355-41,718

Finding the Third Proportional to 20,355 and 41,718

Calculator

Solution

The third proportional to 20,355 and 41,718 is: 85,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355 : 41,718 = 41,718 : x
  2. Step 2: Convert to fraction form
    20,355/41,718 = 41,718/x
  3. Step 3: Cross multiply
    20,355x = 41,718 × 41,718
  4. Step 4: Simplify right side
    20,355x = 1,740,391,524
  5. Step 5: Solve for x
    x = 1,740,391,524/20,355
  6. Step 6: Final answer
    x = 85,501.92

Related Problems

Find third proportional to 10,177.50 and 20,859
Half scale
Find third proportional to 40,710 and 83,436
Double scale
Find third proportional to 20,357 and 41,722
Similar ratio
Find third proportional to 30,532.50 and 62,577
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.