Home / 8,828-17,880

Finding the Third Proportional to 8,828 and 17,880

Calculator

Solution

The third proportional to 8,828 and 17,880 is: 36,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828 : 17,880 = 17,880 : x
  2. Step 2: Convert to fraction form
    8,828/17,880 = 17,880/x
  3. Step 3: Cross multiply
    8,828x = 17,880 × 17,880
  4. Step 4: Simplify right side
    8,828x = 319,694,400
  5. Step 5: Solve for x
    x = 319,694,400/8,828
  6. Step 6: Final answer
    x = 36,213.68

Related Problems

Find third proportional to 4,414 and 8,940
Half scale
Find third proportional to 17,656 and 35,760
Double scale
Find third proportional to 8,830 and 17,884
Similar ratio
Find third proportional to 13,242 and 26,820
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.