Home / 17,938-19,306

Finding the Third Proportional to 17,938 and 19,306

Calculator

Solution

The third proportional to 17,938 and 19,306 is: 20,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938 : 19,306 = 19,306 : x
  2. Step 2: Convert to fraction form
    17,938/19,306 = 19,306/x
  3. Step 3: Cross multiply
    17,938x = 19,306 × 19,306
  4. Step 4: Simplify right side
    17,938x = 372,721,636
  5. Step 5: Solve for x
    x = 372,721,636/17,938
  6. Step 6: Final answer
    x = 20,778.33

Related Problems

Find third proportional to 8,969 and 9,653
Half scale
Find third proportional to 35,876 and 38,612
Double scale
Find third proportional to 17,940 and 19,308
Similar ratio
Find third proportional to 26,907 and 28,959
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.