Home / 7,040-11,147

Finding the Third Proportional to 7,040 and 11,147

Calculator

Solution

The third proportional to 7,040 and 11,147 is: 17,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040 : 11,147 = 11,147 : x
  2. Step 2: Convert to fraction form
    7,040/11,147 = 11,147/x
  3. Step 3: Cross multiply
    7,040x = 11,147 × 11,147
  4. Step 4: Simplify right side
    7,040x = 124,255,609
  5. Step 5: Solve for x
    x = 124,255,609/7,040
  6. Step 6: Final answer
    x = 17,649.94

Related Problems

Find third proportional to 3,520 and 5,573.50
Half scale
Find third proportional to 14,080 and 22,294
Double scale
Find third proportional to 7,042 and 11,150
Similar ratio
Find third proportional to 10,560 and 16,720.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.