Home / 9,480-13,929

Finding the Third Proportional to 9,480 and 13,929

Calculator

Solution

The third proportional to 9,480 and 13,929 is: 20,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480 : 13,929 = 13,929 : x
  2. Step 2: Convert to fraction form
    9,480/13,929 = 13,929/x
  3. Step 3: Cross multiply
    9,480x = 13,929 × 13,929
  4. Step 4: Simplify right side
    9,480x = 194,017,041
  5. Step 5: Solve for x
    x = 194,017,041/9,480
  6. Step 6: Final answer
    x = 20,465.93

Related Problems

Find third proportional to 4,740 and 6,964.50
Half scale
Find third proportional to 18,960 and 27,858
Double scale
Find third proportional to 9,482 and 13,932
Similar ratio
Find third proportional to 14,220 and 20,893.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.