Home / 6-6.50

Finding the Third Proportional to 6 and 6.50

Calculator

Solution

The third proportional to 6 and 6.50 is: 7.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6 : 6.50 = 6.50 : x
  2. Step 2: Convert to fraction form
    6/6.50 = 6.50/x
  3. Step 3: Cross multiply
    6x = 6.50 × 6.50
  4. Step 4: Simplify right side
    6x = 42.25
  5. Step 5: Solve for x
    x = 42.25/6
  6. Step 6: Final answer
    x = 7.04

Related Problems

Find third proportional to 3 and 3.25
Half scale
Find third proportional to 12 and 13
Double scale
Find third proportional to 8 and 9
Similar ratio
Find third proportional to 9 and 9.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.