Home / 138,764-327,398

Finding the Third Proportional to 138,764 and 327,398

Calculator

Solution

The third proportional to 138,764 and 327,398 is: 772,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,764 : 327,398 = 327,398 : x
  2. Step 2: Convert to fraction form
    138,764/327,398 = 327,398/x
  3. Step 3: Cross multiply
    138,764x = 327,398 × 327,398
  4. Step 4: Simplify right side
    138,764x = 107,189,450,404
  5. Step 5: Solve for x
    x = 107,189,450,404/138,764
  6. Step 6: Final answer
    x = 772,458.64

Related Problems

Find third proportional to 69,382 and 163,699
Half scale
Find third proportional to 277,528 and 654,796
Double scale
Find third proportional to 138,766 and 327,403
Similar ratio
Find third proportional to 208,146 and 491,097
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.