Home / 17,072-18,608

Finding the Third Proportional to 17,072 and 18,608

Calculator

Solution

The third proportional to 17,072 and 18,608 is: 20,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072 : 18,608 = 18,608 : x
  2. Step 2: Convert to fraction form
    17,072/18,608 = 18,608/x
  3. Step 3: Cross multiply
    17,072x = 18,608 × 18,608
  4. Step 4: Simplify right side
    17,072x = 346,257,664
  5. Step 5: Solve for x
    x = 346,257,664/17,072
  6. Step 6: Final answer
    x = 20,282.20

Related Problems

Find third proportional to 8,536 and 9,304
Half scale
Find third proportional to 34,144 and 37,216
Double scale
Find third proportional to 17,074 and 18,610
Similar ratio
Find third proportional to 25,608 and 27,912
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.