Home / 40,888-90,511

Finding the Third Proportional to 40,888 and 90,511

Calculator

Solution

The third proportional to 40,888 and 90,511 is: 200,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888 : 90,511 = 90,511 : x
  2. Step 2: Convert to fraction form
    40,888/90,511 = 90,511/x
  3. Step 3: Cross multiply
    40,888x = 90,511 × 90,511
  4. Step 4: Simplify right side
    40,888x = 8,192,241,121
  5. Step 5: Solve for x
    x = 8,192,241,121/40,888
  6. Step 6: Final answer
    x = 200,358.08

Related Problems

Find third proportional to 20,444 and 45,255.50
Half scale
Find third proportional to 81,776 and 181,022
Double scale
Find third proportional to 40,890 and 90,515
Similar ratio
Find third proportional to 61,332 and 135,766.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.