Home / 138,498-303,348

Finding the Third Proportional to 138,498 and 303,348

Calculator

Solution

The third proportional to 138,498 and 303,348 is: 664,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,498 : 303,348 = 303,348 : x
  2. Step 2: Convert to fraction form
    138,498/303,348 = 303,348/x
  3. Step 3: Cross multiply
    138,498x = 303,348 × 303,348
  4. Step 4: Simplify right side
    138,498x = 92,020,009,104
  5. Step 5: Solve for x
    x = 92,020,009,104/138,498
  6. Step 6: Final answer
    x = 664,413.99

Related Problems

Find third proportional to 69,249 and 151,674
Half scale
Find third proportional to 276,996 and 606,696
Double scale
Find third proportional to 138,500 and 303,352
Similar ratio
Find third proportional to 207,747 and 455,022
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.