Home / 11,676-15,578

Finding the Third Proportional to 11,676 and 15,578

Calculator

Solution

The third proportional to 11,676 and 15,578 is: 20,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676 : 15,578 = 15,578 : x
  2. Step 2: Convert to fraction form
    11,676/15,578 = 15,578/x
  3. Step 3: Cross multiply
    11,676x = 15,578 × 15,578
  4. Step 4: Simplify right side
    11,676x = 242,674,084
  5. Step 5: Solve for x
    x = 242,674,084/11,676
  6. Step 6: Final answer
    x = 20,784.01

Related Problems

Find third proportional to 5,838 and 7,789
Half scale
Find third proportional to 23,352 and 31,156
Double scale
Find third proportional to 11,678 and 15,581
Similar ratio
Find third proportional to 17,514 and 23,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.