Home / 5,145-11,868

Finding the Third Proportional to 5,145 and 11,868

Calculator

Solution

The third proportional to 5,145 and 11,868 is: 27,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145 : 11,868 = 11,868 : x
  2. Step 2: Convert to fraction form
    5,145/11,868 = 11,868/x
  3. Step 3: Cross multiply
    5,145x = 11,868 × 11,868
  4. Step 4: Simplify right side
    5,145x = 140,849,424
  5. Step 5: Solve for x
    x = 140,849,424/5,145
  6. Step 6: Final answer
    x = 27,375.98

Related Problems

Find third proportional to 2,572.50 and 5,934
Half scale
Find third proportional to 10,290 and 23,736
Double scale
Find third proportional to 5,147 and 11,873
Similar ratio
Find third proportional to 7,717.50 and 17,802
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.