Home / 8,880-19,430

Finding the Third Proportional to 8,880 and 19,430

Calculator

Solution

The third proportional to 8,880 and 19,430 is: 42,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880 : 19,430 = 19,430 : x
  2. Step 2: Convert to fraction form
    8,880/19,430 = 19,430/x
  3. Step 3: Cross multiply
    8,880x = 19,430 × 19,430
  4. Step 4: Simplify right side
    8,880x = 377,524,900
  5. Step 5: Solve for x
    x = 377,524,900/8,880
  6. Step 6: Final answer
    x = 42,514.07

Related Problems

Find third proportional to 4,440 and 9,715
Half scale
Find third proportional to 17,760 and 38,860
Double scale
Find third proportional to 8,882 and 19,434
Similar ratio
Find third proportional to 13,320 and 29,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.