Home / 7,806-17,279

Finding the Third Proportional to 7,806 and 17,279

Calculator

Solution

The third proportional to 7,806 and 17,279 is: 38,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806 : 17,279 = 17,279 : x
  2. Step 2: Convert to fraction form
    7,806/17,279 = 17,279/x
  3. Step 3: Cross multiply
    7,806x = 17,279 × 17,279
  4. Step 4: Simplify right side
    7,806x = 298,563,841
  5. Step 5: Solve for x
    x = 298,563,841/7,806
  6. Step 6: Final answer
    x = 38,247.99

Related Problems

Find third proportional to 3,903 and 8,639.50
Half scale
Find third proportional to 15,612 and 34,558
Double scale
Find third proportional to 7,808 and 17,283
Similar ratio
Find third proportional to 11,709 and 25,918.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.