Home / 9,434-20,509

Finding the Third Proportional to 9,434 and 20,509

Calculator

Solution

The third proportional to 9,434 and 20,509 is: 44,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434 : 20,509 = 20,509 : x
  2. Step 2: Convert to fraction form
    9,434/20,509 = 20,509/x
  3. Step 3: Cross multiply
    9,434x = 20,509 × 20,509
  4. Step 4: Simplify right side
    9,434x = 420,619,081
  5. Step 5: Solve for x
    x = 420,619,081/9,434
  6. Step 6: Final answer
    x = 44,585.44

Related Problems

Find third proportional to 4,717 and 10,254.50
Half scale
Find third proportional to 18,868 and 41,018
Double scale
Find third proportional to 9,436 and 20,513
Similar ratio
Find third proportional to 14,151 and 30,763.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.