Home / 258,694-386,446

Finding the Third Proportional to 258,694 and 386,446

Calculator

Solution

The third proportional to 258,694 and 386,446 is: 577,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,694 : 386,446 = 386,446 : x
  2. Step 2: Convert to fraction form
    258,694/386,446 = 386,446/x
  3. Step 3: Cross multiply
    258,694x = 386,446 × 386,446
  4. Step 4: Simplify right side
    258,694x = 149,340,510,916
  5. Step 5: Solve for x
    x = 149,340,510,916/258,694
  6. Step 6: Final answer
    x = 577,286.33

Related Problems

Find third proportional to 129,347 and 193,223
Half scale
Find third proportional to 517,388 and 772,892
Double scale
Find third proportional to 258,696 and 386,449
Similar ratio
Find third proportional to 388,041 and 579,669
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.