Home / 18,678-40,467

Finding the Third Proportional to 18,678 and 40,467

Calculator

Solution

The third proportional to 18,678 and 40,467 is: 87,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678 : 40,467 = 40,467 : x
  2. Step 2: Convert to fraction form
    18,678/40,467 = 40,467/x
  3. Step 3: Cross multiply
    18,678x = 40,467 × 40,467
  4. Step 4: Simplify right side
    18,678x = 1,637,578,089
  5. Step 5: Solve for x
    x = 1,637,578,089/18,678
  6. Step 6: Final answer
    x = 87,674.17

Related Problems

Find third proportional to 9,339 and 20,233.50
Half scale
Find third proportional to 37,356 and 80,934
Double scale
Find third proportional to 18,680 and 40,471
Similar ratio
Find third proportional to 28,017 and 60,700.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.