Home / 7,677-11,742

Finding the Third Proportional to 7,677 and 11,742

Calculator

Solution

The third proportional to 7,677 and 11,742 is: 17,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677 : 11,742 = 11,742 : x
  2. Step 2: Convert to fraction form
    7,677/11,742 = 11,742/x
  3. Step 3: Cross multiply
    7,677x = 11,742 × 11,742
  4. Step 4: Simplify right side
    7,677x = 137,874,564
  5. Step 5: Solve for x
    x = 137,874,564/7,677
  6. Step 6: Final answer
    x = 17,959.43

Related Problems

Find third proportional to 3,838.50 and 5,871
Half scale
Find third proportional to 15,354 and 23,484
Double scale
Find third proportional to 7,679 and 11,745
Similar ratio
Find third proportional to 11,515.50 and 17,613
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.