Home / 5.30-6

Finding the Third Proportional to 5.30 and 6

Calculator

Solution

The third proportional to 5.30 and 6 is: 6.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.30 : 6 = 6 : x
  2. Step 2: Convert to fraction form
    5.30/6 = 6/x
  3. Step 3: Cross multiply
    5.30x = 6 × 6
  4. Step 4: Simplify right side
    5.30x = 36
  5. Step 5: Solve for x
    x = 36/5.30
  6. Step 6: Final answer
    x = 6.80

Related Problems

Find third proportional to 2.65 and 3
Half scale
Find third proportional to 10.59 and 12
Double scale
Find third proportional to 7 and 8
Similar ratio
Find third proportional to 7.95 and 9
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.