Home / 13,458-15,930

Finding the Third Proportional to 13,458 and 15,930

Calculator

Solution

The third proportional to 13,458 and 15,930 is: 18,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458 : 15,930 = 15,930 : x
  2. Step 2: Convert to fraction form
    13,458/15,930 = 15,930/x
  3. Step 3: Cross multiply
    13,458x = 15,930 × 15,930
  4. Step 4: Simplify right side
    13,458x = 253,764,900
  5. Step 5: Solve for x
    x = 253,764,900/13,458
  6. Step 6: Final answer
    x = 18,856.06

Related Problems

Find third proportional to 6,729 and 7,965
Half scale
Find third proportional to 26,916 and 31,860
Double scale
Find third proportional to 13,460 and 15,932
Similar ratio
Find third proportional to 20,187 and 23,895
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.