Home / 9,519-21,079

Finding the Third Proportional to 9,519 and 21,079

Calculator

Solution

The third proportional to 9,519 and 21,079 is: 46,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519 : 21,079 = 21,079 : x
  2. Step 2: Convert to fraction form
    9,519/21,079 = 21,079/x
  3. Step 3: Cross multiply
    9,519x = 21,079 × 21,079
  4. Step 4: Simplify right side
    9,519x = 444,324,241
  5. Step 5: Solve for x
    x = 444,324,241/9,519
  6. Step 6: Final answer
    x = 46,677.62

Related Problems

Find third proportional to 4,759.50 and 10,539.50
Half scale
Find third proportional to 19,038 and 42,158
Double scale
Find third proportional to 9,521 and 21,083
Similar ratio
Find third proportional to 14,278.50 and 31,618.50
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.