Home / 8,879-13,242

Finding the Third Proportional to 8,879 and 13,242

Calculator

Solution

The third proportional to 8,879 and 13,242 is: 19,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879 : 13,242 = 13,242 : x
  2. Step 2: Convert to fraction form
    8,879/13,242 = 13,242/x
  3. Step 3: Cross multiply
    8,879x = 13,242 × 13,242
  4. Step 4: Simplify right side
    8,879x = 175,350,564
  5. Step 5: Solve for x
    x = 175,350,564/8,879
  6. Step 6: Final answer
    x = 19,748.91

Related Problems

Find third proportional to 4,439.50 and 6,621
Half scale
Find third proportional to 17,758 and 26,484
Double scale
Find third proportional to 8,881 and 13,245
Similar ratio
Find third proportional to 13,318.50 and 19,863
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.