Home / 179,885-389,578

Finding the Third Proportional to 179,885 and 389,578

Calculator

Solution

The third proportional to 179,885 and 389,578 is: 843,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,885 : 389,578 = 389,578 : x
  2. Step 2: Convert to fraction form
    179,885/389,578 = 389,578/x
  3. Step 3: Cross multiply
    179,885x = 389,578 × 389,578
  4. Step 4: Simplify right side
    179,885x = 151,771,018,084
  5. Step 5: Solve for x
    x = 151,771,018,084/179,885
  6. Step 6: Final answer
    x = 843,711.36

Related Problems

Find third proportional to 89,942.50 and 194,789
Half scale
Find third proportional to 359,770 and 779,156
Double scale
Find third proportional to 179,887 and 389,582
Similar ratio
Find third proportional to 269,827.50 and 584,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.