Home / 138,966-303,356

Finding the Third Proportional to 138,966 and 303,356

Calculator

Solution

The third proportional to 138,966 and 303,356 is: 662,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,966 : 303,356 = 303,356 : x
  2. Step 2: Convert to fraction form
    138,966/303,356 = 303,356/x
  3. Step 3: Cross multiply
    138,966x = 303,356 × 303,356
  4. Step 4: Simplify right side
    138,966x = 92,024,862,736
  5. Step 5: Solve for x
    x = 92,024,862,736/138,966
  6. Step 6: Final answer
    x = 662,211.35

Related Problems

Find third proportional to 69,483 and 151,678
Half scale
Find third proportional to 277,932 and 606,712
Double scale
Find third proportional to 138,968 and 303,360
Similar ratio
Find third proportional to 208,449 and 455,034
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.