Home / 3,455-7,111

Finding the Third Proportional to 3,455 and 7,111

Calculator

Solution

The third proportional to 3,455 and 7,111 is: 14,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455 : 7,111 = 7,111 : x
  2. Step 2: Convert to fraction form
    3,455/7,111 = 7,111/x
  3. Step 3: Cross multiply
    3,455x = 7,111 × 7,111
  4. Step 4: Simplify right side
    3,455x = 50,566,321
  5. Step 5: Solve for x
    x = 50,566,321/3,455
  6. Step 6: Final answer
    x = 14,635.69

Related Problems

Find third proportional to 1,727.50 and 3,555.50
Half scale
Find third proportional to 6,910 and 14,222
Double scale
Find third proportional to 3,457 and 7,115
Similar ratio
Find third proportional to 5,182.50 and 10,666.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.