Home / 18,408-40,035

Finding the Third Proportional to 18,408 and 40,035

Calculator

Solution

The third proportional to 18,408 and 40,035 is: 87,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408 : 40,035 = 40,035 : x
  2. Step 2: Convert to fraction form
    18,408/40,035 = 40,035/x
  3. Step 3: Cross multiply
    18,408x = 40,035 × 40,035
  4. Step 4: Simplify right side
    18,408x = 1,602,801,225
  5. Step 5: Solve for x
    x = 1,602,801,225/18,408
  6. Step 6: Final answer
    x = 87,070.91

Related Problems

Find third proportional to 9,204 and 20,017.50
Half scale
Find third proportional to 36,816 and 80,070
Double scale
Find third proportional to 18,410 and 40,039
Similar ratio
Find third proportional to 27,612 and 60,052.50
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.