Home / 20,973-40,884

Finding the Third Proportional to 20,973 and 40,884

Calculator

Solution

The third proportional to 20,973 and 40,884 is: 79,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973 : 40,884 = 40,884 : x
  2. Step 2: Convert to fraction form
    20,973/40,884 = 40,884/x
  3. Step 3: Cross multiply
    20,973x = 40,884 × 40,884
  4. Step 4: Simplify right side
    20,973x = 1,671,501,456
  5. Step 5: Solve for x
    x = 1,671,501,456/20,973
  6. Step 6: Final answer
    x = 79,697.78

Related Problems

Find third proportional to 10,486.50 and 20,442
Half scale
Find third proportional to 41,946 and 81,768
Double scale
Find third proportional to 20,975 and 40,888
Similar ratio
Find third proportional to 31,459.50 and 61,326
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.