Home / 7,836-17,742

Finding the Third Proportional to 7,836 and 17,742

Calculator

Solution

The third proportional to 7,836 and 17,742 is: 40,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836 : 17,742 = 17,742 : x
  2. Step 2: Convert to fraction form
    7,836/17,742 = 17,742/x
  3. Step 3: Cross multiply
    7,836x = 17,742 × 17,742
  4. Step 4: Simplify right side
    7,836x = 314,778,564
  5. Step 5: Solve for x
    x = 314,778,564/7,836
  6. Step 6: Final answer
    x = 40,170.82

Related Problems

Find third proportional to 3,918 and 8,871
Half scale
Find third proportional to 15,672 and 35,484
Double scale
Find third proportional to 7,838 and 17,747
Similar ratio
Find third proportional to 11,754 and 26,613
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.