Home / 17,808-27,909

Finding the Third Proportional to 17,808 and 27,909

Calculator

Solution

The third proportional to 17,808 and 27,909 is: 43,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808 : 27,909 = 27,909 : x
  2. Step 2: Convert to fraction form
    17,808/27,909 = 27,909/x
  3. Step 3: Cross multiply
    17,808x = 27,909 × 27,909
  4. Step 4: Simplify right side
    17,808x = 778,912,281
  5. Step 5: Solve for x
    x = 778,912,281/17,808
  6. Step 6: Final answer
    x = 43,739.46

Related Problems

Find third proportional to 8,904 and 13,954.50
Half scale
Find third proportional to 35,616 and 55,818
Double scale
Find third proportional to 17,810 and 27,912
Similar ratio
Find third proportional to 26,712 and 41,863.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.