Home / 13,191-30,511

Finding the Third Proportional to 13,191 and 30,511

Calculator

Solution

The third proportional to 13,191 and 30,511 is: 70,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191 : 30,511 = 30,511 : x
  2. Step 2: Convert to fraction form
    13,191/30,511 = 30,511/x
  3. Step 3: Cross multiply
    13,191x = 30,511 × 30,511
  4. Step 4: Simplify right side
    13,191x = 930,921,121
  5. Step 5: Solve for x
    x = 930,921,121/13,191
  6. Step 6: Final answer
    x = 70,572.44

Related Problems

Find third proportional to 6,595.50 and 15,255.50
Half scale
Find third proportional to 26,382 and 61,022
Double scale
Find third proportional to 13,193 and 30,516
Similar ratio
Find third proportional to 19,786.50 and 45,766.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.