Home / 35,338-81,742

Finding the Third Proportional to 35,338 and 81,742

Calculator

Solution

The third proportional to 35,338 and 81,742 is: 189,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338 : 81,742 = 81,742 : x
  2. Step 2: Convert to fraction form
    35,338/81,742 = 81,742/x
  3. Step 3: Cross multiply
    35,338x = 81,742 × 81,742
  4. Step 4: Simplify right side
    35,338x = 6,681,754,564
  5. Step 5: Solve for x
    x = 6,681,754,564/35,338
  6. Step 6: Final answer
    x = 189,081.29

Related Problems

Find third proportional to 17,669 and 40,871
Half scale
Find third proportional to 70,676 and 163,484
Double scale
Find third proportional to 35,340 and 81,747
Similar ratio
Find third proportional to 53,007 and 122,613
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.