Home / 20,288-30,496

Finding the Third Proportional to 20,288 and 30,496

Calculator

Solution

The third proportional to 20,288 and 30,496 is: 45,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288 : 30,496 = 30,496 : x
  2. Step 2: Convert to fraction form
    20,288/30,496 = 30,496/x
  3. Step 3: Cross multiply
    20,288x = 30,496 × 30,496
  4. Step 4: Simplify right side
    20,288x = 930,006,016
  5. Step 5: Solve for x
    x = 930,006,016/20,288
  6. Step 6: Final answer
    x = 45,840.20

Related Problems

Find third proportional to 10,144 and 15,248
Half scale
Find third proportional to 40,576 and 60,992
Double scale
Find third proportional to 20,290 and 30,499
Similar ratio
Find third proportional to 30,432 and 45,744
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.