Home / 138,440-303,088

Finding the Third Proportional to 138,440 and 303,088

Calculator

Solution

The third proportional to 138,440 and 303,088 is: 663,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,440 : 303,088 = 303,088 : x
  2. Step 2: Convert to fraction form
    138,440/303,088 = 303,088/x
  3. Step 3: Cross multiply
    138,440x = 303,088 × 303,088
  4. Step 4: Simplify right side
    138,440x = 91,862,335,744
  5. Step 5: Solve for x
    x = 91,862,335,744/138,440
  6. Step 6: Final answer
    x = 663,553.42

Related Problems

Find third proportional to 69,220 and 151,544
Half scale
Find third proportional to 276,880 and 606,176
Double scale
Find third proportional to 138,442 and 303,092
Similar ratio
Find third proportional to 207,660 and 454,632
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.