Home / 13,416-15,848

Finding the Third Proportional to 13,416 and 15,848

Calculator

Solution

The third proportional to 13,416 and 15,848 is: 18,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416 : 15,848 = 15,848 : x
  2. Step 2: Convert to fraction form
    13,416/15,848 = 15,848/x
  3. Step 3: Cross multiply
    13,416x = 15,848 × 15,848
  4. Step 4: Simplify right side
    13,416x = 251,159,104
  5. Step 5: Solve for x
    x = 251,159,104/13,416
  6. Step 6: Final answer
    x = 18,720.86

Related Problems

Find third proportional to 6,708 and 7,924
Half scale
Find third proportional to 26,832 and 31,696
Double scale
Find third proportional to 13,418 and 15,850
Similar ratio
Find third proportional to 20,124 and 23,772
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.