Home / 205,309-438,992

Finding the Third Proportional to 205,309 and 438,992

Calculator

Solution

The third proportional to 205,309 and 438,992 is: 938,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,309 : 438,992 = 438,992 : x
  2. Step 2: Convert to fraction form
    205,309/438,992 = 438,992/x
  3. Step 3: Cross multiply
    205,309x = 438,992 × 438,992
  4. Step 4: Simplify right side
    205,309x = 192,713,976,064
  5. Step 5: Solve for x
    x = 192,713,976,064/205,309
  6. Step 6: Final answer
    x = 938,653.33

Related Problems

Find third proportional to 102,654.50 and 219,496
Half scale
Find third proportional to 410,618 and 877,984
Double scale
Find third proportional to 205,311 and 438,996
Similar ratio
Find third proportional to 307,963.50 and 658,488
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.