Home / 8,712-13,860

Finding the Third Proportional to 8,712 and 13,860

Calculator

Solution

The third proportional to 8,712 and 13,860 is: 22,050

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712 : 13,860 = 13,860 : x
  2. Step 2: Convert to fraction form
    8,712/13,860 = 13,860/x
  3. Step 3: Cross multiply
    8,712x = 13,860 × 13,860
  4. Step 4: Simplify right side
    8,712x = 192,099,600
  5. Step 5: Solve for x
    x = 192,099,600/8,712
  6. Step 6: Final answer
    x = 22,050

Related Problems

Find third proportional to 4,356 and 6,930
Half scale
Find third proportional to 17,424 and 27,720
Double scale
Find third proportional to 8,714 and 13,863
Similar ratio
Find third proportional to 13,068 and 20,790
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.