Home / 6,770-7,985

Finding the Third Proportional to 6,770 and 7,985

Calculator

Solution

The third proportional to 6,770 and 7,985 is: 9,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770 : 7,985 = 7,985 : x
  2. Step 2: Convert to fraction form
    6,770/7,985 = 7,985/x
  3. Step 3: Cross multiply
    6,770x = 7,985 × 7,985
  4. Step 4: Simplify right side
    6,770x = 63,760,225
  5. Step 5: Solve for x
    x = 63,760,225/6,770
  6. Step 6: Final answer
    x = 9,418.05

Related Problems

Find third proportional to 3,385 and 3,992.50
Half scale
Find third proportional to 13,540 and 15,970
Double scale
Find third proportional to 6,772 and 7,987
Similar ratio
Find third proportional to 10,155 and 11,977.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.