Home / 6-10.19

Finding the Third Proportional to 6 and 10.19

Calculator

Solution

The third proportional to 6 and 10.19 is: 17.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6 : 10.19 = 10.19 : x
  2. Step 2: Convert to fraction form
    6/10.19 = 10.19/x
  3. Step 3: Cross multiply
    6x = 10.19 × 10.19
  4. Step 4: Simplify right side
    6x = 103.79
  5. Step 5: Solve for x
    x = 103.79/6
  6. Step 6: Final answer
    x = 17.30

Related Problems

Find third proportional to 3 and 5.09
Half scale
Find third proportional to 12 and 20.38
Double scale
Find third proportional to 8 and 14
Similar ratio
Find third proportional to 9 and 15.28
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.