Home / 209,654-279,326

Finding the Third Proportional to 209,654 and 279,326

Calculator

Solution

The third proportional to 209,654 and 279,326 is: 372,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,654 : 279,326 = 279,326 : x
  2. Step 2: Convert to fraction form
    209,654/279,326 = 279,326/x
  3. Step 3: Cross multiply
    209,654x = 279,326 × 279,326
  4. Step 4: Simplify right side
    209,654x = 78,023,014,276
  5. Step 5: Solve for x
    x = 78,023,014,276/209,654
  6. Step 6: Final answer
    x = 372,151.33

Related Problems

Find third proportional to 104,827 and 139,663
Half scale
Find third proportional to 419,308 and 558,652
Double scale
Find third proportional to 209,656 and 279,329
Similar ratio
Find third proportional to 314,481 and 418,989
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.