Home / 165,831-389,802

Finding the Third Proportional to 165,831 and 389,802

Calculator

Solution

The third proportional to 165,831 and 389,802 is: 916,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,831 : 389,802 = 389,802 : x
  2. Step 2: Convert to fraction form
    165,831/389,802 = 389,802/x
  3. Step 3: Cross multiply
    165,831x = 389,802 × 389,802
  4. Step 4: Simplify right side
    165,831x = 151,945,599,204
  5. Step 5: Solve for x
    x = 151,945,599,204/165,831
  6. Step 6: Final answer
    x = 916,267.76

Related Problems

Find third proportional to 82,915.50 and 194,901
Half scale
Find third proportional to 331,662 and 779,604
Double scale
Find third proportional to 165,833 and 389,807
Similar ratio
Find third proportional to 248,746.50 and 584,703
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.