Home / 13,292-20,403

Finding the Third Proportional to 13,292 and 20,403

Calculator

Solution

The third proportional to 13,292 and 20,403 is: 31,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292 : 20,403 = 20,403 : x
  2. Step 2: Convert to fraction form
    13,292/20,403 = 20,403/x
  3. Step 3: Cross multiply
    13,292x = 20,403 × 20,403
  4. Step 4: Simplify right side
    13,292x = 416,282,409
  5. Step 5: Solve for x
    x = 416,282,409/13,292
  6. Step 6: Final answer
    x = 31,318.27

Related Problems

Find third proportional to 6,646 and 10,201.50
Half scale
Find third proportional to 26,584 and 40,806
Double scale
Find third proportional to 13,294 and 20,406
Similar ratio
Find third proportional to 19,938 and 30,604.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.