Home / 259,788-558,396

Finding the Third Proportional to 259,788 and 558,396

Calculator

Solution

The third proportional to 259,788 and 558,396 is: 1,200,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,788 : 558,396 = 558,396 : x
  2. Step 2: Convert to fraction form
    259,788/558,396 = 558,396/x
  3. Step 3: Cross multiply
    259,788x = 558,396 × 558,396
  4. Step 4: Simplify right side
    259,788x = 311,806,092,816
  5. Step 5: Solve for x
    x = 311,806,092,816/259,788
  6. Step 6: Final answer
    x = 1,200,232.85

Related Problems

Find third proportional to 129,894 and 279,198
Half scale
Find third proportional to 519,576 and 1,116,792
Double scale
Find third proportional to 259,790 and 558,400
Similar ratio
Find third proportional to 389,682 and 837,594
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.