Home / 259,800-389,736

Finding the Third Proportional to 259,800 and 389,736

Calculator

Solution

The third proportional to 259,800 and 389,736 is: 584,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,800 : 389,736 = 389,736 : x
  2. Step 2: Convert to fraction form
    259,800/389,736 = 389,736/x
  3. Step 3: Cross multiply
    259,800x = 389,736 × 389,736
  4. Step 4: Simplify right side
    259,800x = 151,894,149,696
  5. Step 5: Solve for x
    x = 151,894,149,696/259,800
  6. Step 6: Final answer
    x = 584,658.00

Related Problems

Find third proportional to 129,900 and 194,868
Half scale
Find third proportional to 519,600 and 779,472
Double scale
Find third proportional to 259,802 and 389,739
Similar ratio
Find third proportional to 389,700 and 584,604
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.