Home / 137,871-303,676

Finding the Third Proportional to 137,871 and 303,676

Calculator

Solution

The third proportional to 137,871 and 303,676 is: 668,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,871 : 303,676 = 303,676 : x
  2. Step 2: Convert to fraction form
    137,871/303,676 = 303,676/x
  3. Step 3: Cross multiply
    137,871x = 303,676 × 303,676
  4. Step 4: Simplify right side
    137,871x = 92,219,112,976
  5. Step 5: Solve for x
    x = 92,219,112,976/137,871
  6. Step 6: Final answer
    x = 668,879.70

Related Problems

Find third proportional to 68,935.50 and 151,838
Half scale
Find third proportional to 275,742 and 607,352
Double scale
Find third proportional to 137,873 and 303,680
Similar ratio
Find third proportional to 206,806.50 and 455,514
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.