Home / 278,980-605,192

Finding the Third Proportional to 278,980 and 605,192

Calculator

Solution

The third proportional to 278,980 and 605,192 is: 1,312,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,980 : 605,192 = 605,192 : x
  2. Step 2: Convert to fraction form
    278,980/605,192 = 605,192/x
  3. Step 3: Cross multiply
    278,980x = 605,192 × 605,192
  4. Step 4: Simplify right side
    278,980x = 366,257,356,864
  5. Step 5: Solve for x
    x = 366,257,356,864/278,980
  6. Step 6: Final answer
    x = 1,312,844.49

Related Problems

Find third proportional to 139,490 and 302,596
Half scale
Find third proportional to 557,960 and 1,210,384
Double scale
Find third proportional to 278,982 and 605,196
Similar ratio
Find third proportional to 418,470 and 907,788
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.