Home / 7,709-18,017

Finding the Third Proportional to 7,709 and 18,017

Calculator

Solution

The third proportional to 7,709 and 18,017 is: 42,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709 : 18,017 = 18,017 : x
  2. Step 2: Convert to fraction form
    7,709/18,017 = 18,017/x
  3. Step 3: Cross multiply
    7,709x = 18,017 × 18,017
  4. Step 4: Simplify right side
    7,709x = 324,612,289
  5. Step 5: Solve for x
    x = 324,612,289/7,709
  6. Step 6: Final answer
    x = 42,108.22

Related Problems

Find third proportional to 3,854.50 and 9,008.50
Half scale
Find third proportional to 15,418 and 36,034
Double scale
Find third proportional to 7,711 and 18,022
Similar ratio
Find third proportional to 11,563.50 and 27,025.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.