Home / 9,508-20,918

Finding the Third Proportional to 9,508 and 20,918

Calculator

Solution

The third proportional to 9,508 and 20,918 is: 46,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508 : 20,918 = 20,918 : x
  2. Step 2: Convert to fraction form
    9,508/20,918 = 20,918/x
  3. Step 3: Cross multiply
    9,508x = 20,918 × 20,918
  4. Step 4: Simplify right side
    9,508x = 437,562,724
  5. Step 5: Solve for x
    x = 437,562,724/9,508
  6. Step 6: Final answer
    x = 46,020.48

Related Problems

Find third proportional to 4,754 and 10,459
Half scale
Find third proportional to 19,016 and 41,836
Double scale
Find third proportional to 9,510 and 20,922
Similar ratio
Find third proportional to 14,262 and 31,377
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.