Home / 9,139-18,926

Finding the Third Proportional to 9,139 and 18,926

Calculator

Solution

The third proportional to 9,139 and 18,926 is: 39,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139 : 18,926 = 18,926 : x
  2. Step 2: Convert to fraction form
    9,139/18,926 = 18,926/x
  3. Step 3: Cross multiply
    9,139x = 18,926 × 18,926
  4. Step 4: Simplify right side
    9,139x = 358,193,476
  5. Step 5: Solve for x
    x = 358,193,476/9,139
  6. Step 6: Final answer
    x = 39,193.95

Related Problems

Find third proportional to 4,569.50 and 9,463
Half scale
Find third proportional to 18,278 and 37,852
Double scale
Find third proportional to 9,141 and 18,930
Similar ratio
Find third proportional to 13,708.50 and 28,389
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.