Home / 12,158-19,331

Finding the Third Proportional to 12,158 and 19,331

Calculator

Solution

The third proportional to 12,158 and 19,331 is: 30,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158 : 19,331 = 19,331 : x
  2. Step 2: Convert to fraction form
    12,158/19,331 = 19,331/x
  3. Step 3: Cross multiply
    12,158x = 19,331 × 19,331
  4. Step 4: Simplify right side
    12,158x = 373,687,561
  5. Step 5: Solve for x
    x = 373,687,561/12,158
  6. Step 6: Final answer
    x = 30,735.94

Related Problems

Find third proportional to 6,079 and 9,665.50
Half scale
Find third proportional to 24,316 and 38,662
Double scale
Find third proportional to 12,160 and 19,334
Similar ratio
Find third proportional to 18,237 and 28,996.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.