Home / 20,947-43,351

Finding the Third Proportional to 20,947 and 43,351

Calculator

Solution

The third proportional to 20,947 and 43,351 is: 89,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947 : 43,351 = 43,351 : x
  2. Step 2: Convert to fraction form
    20,947/43,351 = 43,351/x
  3. Step 3: Cross multiply
    20,947x = 43,351 × 43,351
  4. Step 4: Simplify right side
    20,947x = 1,879,309,201
  5. Step 5: Solve for x
    x = 1,879,309,201/20,947
  6. Step 6: Final answer
    x = 89,717.34

Related Problems

Find third proportional to 10,473.50 and 21,675.50
Half scale
Find third proportional to 41,894 and 86,702
Double scale
Find third proportional to 20,949 and 43,355
Similar ratio
Find third proportional to 31,420.50 and 65,026.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.