Home / 13,319-18,975

Finding the Third Proportional to 13,319 and 18,975

Calculator

Solution

The third proportional to 13,319 and 18,975 is: 27,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319 : 18,975 = 18,975 : x
  2. Step 2: Convert to fraction form
    13,319/18,975 = 18,975/x
  3. Step 3: Cross multiply
    13,319x = 18,975 × 18,975
  4. Step 4: Simplify right side
    13,319x = 360,050,625
  5. Step 5: Solve for x
    x = 360,050,625/13,319
  6. Step 6: Final answer
    x = 27,032.86

Related Problems

Find third proportional to 6,659.50 and 9,487.50
Half scale
Find third proportional to 26,638 and 37,950
Double scale
Find third proportional to 13,321 and 18,978
Similar ratio
Find third proportional to 19,978.50 and 28,462.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.