Home / 269,723-405,278

Finding the Third Proportional to 269,723 and 405,278

Calculator

Solution

The third proportional to 269,723 and 405,278 is: 608,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,723 : 405,278 = 405,278 : x
  2. Step 2: Convert to fraction form
    269,723/405,278 = 405,278/x
  3. Step 3: Cross multiply
    269,723x = 405,278 × 405,278
  4. Step 4: Simplify right side
    269,723x = 164,250,257,284
  5. Step 5: Solve for x
    x = 164,250,257,284/269,723
  6. Step 6: Final answer
    x = 608,959.03

Related Problems

Find third proportional to 134,861.50 and 202,639
Half scale
Find third proportional to 539,446 and 810,556
Double scale
Find third proportional to 269,725 and 405,281
Similar ratio
Find third proportional to 404,584.50 and 607,917
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.