Home / 20,864-45,267

Finding the Third Proportional to 20,864 and 45,267

Calculator

Solution

The third proportional to 20,864 and 45,267 is: 98,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864 : 45,267 = 45,267 : x
  2. Step 2: Convert to fraction form
    20,864/45,267 = 45,267/x
  3. Step 3: Cross multiply
    20,864x = 45,267 × 45,267
  4. Step 4: Simplify right side
    20,864x = 2,049,101,289
  5. Step 5: Solve for x
    x = 2,049,101,289/20,864
  6. Step 6: Final answer
    x = 98,212.29

Related Problems

Find third proportional to 10,432 and 22,633.50
Half scale
Find third proportional to 41,728 and 90,534
Double scale
Find third proportional to 20,866 and 45,271
Similar ratio
Find third proportional to 31,296 and 67,900.50
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.