Home / 10,945-20,512

Finding the Third Proportional to 10,945 and 20,512

Calculator

Solution

The third proportional to 10,945 and 20,512 is: 38,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945 : 20,512 = 20,512 : x
  2. Step 2: Convert to fraction form
    10,945/20,512 = 20,512/x
  3. Step 3: Cross multiply
    10,945x = 20,512 × 20,512
  4. Step 4: Simplify right side
    10,945x = 420,742,144
  5. Step 5: Solve for x
    x = 420,742,144/10,945
  6. Step 6: Final answer
    x = 38,441.49

Related Problems

Find third proportional to 5,472.50 and 10,256
Half scale
Find third proportional to 21,890 and 41,024
Double scale
Find third proportional to 10,947 and 20,516
Similar ratio
Find third proportional to 16,417.50 and 30,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.