Home / 20,542-30,511

Finding the Third Proportional to 20,542 and 30,511

Calculator

Solution

The third proportional to 20,542 and 30,511 is: 45,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542 : 30,511 = 30,511 : x
  2. Step 2: Convert to fraction form
    20,542/30,511 = 30,511/x
  3. Step 3: Cross multiply
    20,542x = 30,511 × 30,511
  4. Step 4: Simplify right side
    20,542x = 930,921,121
  5. Step 5: Solve for x
    x = 930,921,121/20,542
  6. Step 6: Final answer
    x = 45,317.94

Related Problems

Find third proportional to 10,271 and 15,255.50
Half scale
Find third proportional to 41,084 and 61,022
Double scale
Find third proportional to 20,544 and 30,514
Similar ratio
Find third proportional to 30,813 and 45,766.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.