Home / 4,388.50-8,981

Finding the Third Proportional to 4,388.50 and 8,981

Calculator

Solution

The third proportional to 4,388.50 and 8,981 is: 18,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.50 : 8,981 = 8,981 : x
  2. Step 2: Convert to fraction form
    4,388.50/8,981 = 8,981/x
  3. Step 3: Cross multiply
    4,388.50x = 8,981 × 8,981
  4. Step 4: Simplify right side
    4,388.50x = 80,658,361
  5. Step 5: Solve for x
    x = 80,658,361/4,388.50
  6. Step 6: Final answer
    x = 18,379.48

Related Problems

Find third proportional to 2,194.25 and 4,490.50
Half scale
Find third proportional to 8,777 and 17,962
Double scale
Find third proportional to 4,391 and 8,985
Similar ratio
Find third proportional to 6,582.75 and 13,471.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.