Home / 40,206-84,915

Finding the Third Proportional to 40,206 and 84,915

Calculator

Solution

The third proportional to 40,206 and 84,915 is: 179,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206 : 84,915 = 84,915 : x
  2. Step 2: Convert to fraction form
    40,206/84,915 = 84,915/x
  3. Step 3: Cross multiply
    40,206x = 84,915 × 84,915
  4. Step 4: Simplify right side
    40,206x = 7,210,557,225
  5. Step 5: Solve for x
    x = 7,210,557,225/40,206
  6. Step 6: Final answer
    x = 179,340.33

Related Problems

Find third proportional to 20,103 and 42,457.50
Half scale
Find third proportional to 80,412 and 169,830
Double scale
Find third proportional to 40,208 and 84,919
Similar ratio
Find third proportional to 60,309 and 127,372.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.