Home / 138,320-295,072

Finding the Third Proportional to 138,320 and 295,072

Calculator

Solution

The third proportional to 138,320 and 295,072 is: 629,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,320 : 295,072 = 295,072 : x
  2. Step 2: Convert to fraction form
    138,320/295,072 = 295,072/x
  3. Step 3: Cross multiply
    138,320x = 295,072 × 295,072
  4. Step 4: Simplify right side
    138,320x = 87,067,485,184
  5. Step 5: Solve for x
    x = 87,067,485,184/138,320
  6. Step 6: Final answer
    x = 629,464.18

Related Problems

Find third proportional to 69,160 and 147,536
Half scale
Find third proportional to 276,640 and 590,144
Double scale
Find third proportional to 138,322 and 295,076
Similar ratio
Find third proportional to 207,480 and 442,608
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.