Home / 17,486-18,926

Finding the Third Proportional to 17,486 and 18,926

Calculator

Solution

The third proportional to 17,486 and 18,926 is: 20,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486 : 18,926 = 18,926 : x
  2. Step 2: Convert to fraction form
    17,486/18,926 = 18,926/x
  3. Step 3: Cross multiply
    17,486x = 18,926 × 18,926
  4. Step 4: Simplify right side
    17,486x = 358,193,476
  5. Step 5: Solve for x
    x = 358,193,476/17,486
  6. Step 6: Final answer
    x = 20,484.59

Related Problems

Find third proportional to 8,743 and 9,463
Half scale
Find third proportional to 34,972 and 37,852
Double scale
Find third proportional to 17,488 and 18,928
Similar ratio
Find third proportional to 26,229 and 28,389
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.