Home / 11,857-17,347

Finding the Third Proportional to 11,857 and 17,347

Calculator

Solution

The third proportional to 11,857 and 17,347 is: 25,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857 : 17,347 = 17,347 : x
  2. Step 2: Convert to fraction form
    11,857/17,347 = 17,347/x
  3. Step 3: Cross multiply
    11,857x = 17,347 × 17,347
  4. Step 4: Simplify right side
    11,857x = 300,918,409
  5. Step 5: Solve for x
    x = 300,918,409/11,857
  6. Step 6: Final answer
    x = 25,378.97

Related Problems

Find third proportional to 5,928.50 and 8,673.50
Half scale
Find third proportional to 23,714 and 34,694
Double scale
Find third proportional to 11,859 and 17,350
Similar ratio
Find third proportional to 17,785.50 and 26,020.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.