Home / 9,218-20,356

Finding the Third Proportional to 9,218 and 20,356

Calculator

Solution

The third proportional to 9,218 and 20,356 is: 44,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218 : 20,356 = 20,356 : x
  2. Step 2: Convert to fraction form
    9,218/20,356 = 20,356/x
  3. Step 3: Cross multiply
    9,218x = 20,356 × 20,356
  4. Step 4: Simplify right side
    9,218x = 414,366,736
  5. Step 5: Solve for x
    x = 414,366,736/9,218
  6. Step 6: Final answer
    x = 44,951.91

Related Problems

Find third proportional to 4,609 and 10,178
Half scale
Find third proportional to 18,436 and 40,712
Double scale
Find third proportional to 9,220 and 20,360
Similar ratio
Find third proportional to 13,827 and 30,534
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.