Home / 138,786-270,660

Finding the Third Proportional to 138,786 and 270,660

Calculator

Solution

The third proportional to 138,786 and 270,660 is: 527,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,786 : 270,660 = 270,660 : x
  2. Step 2: Convert to fraction form
    138,786/270,660 = 270,660/x
  3. Step 3: Cross multiply
    138,786x = 270,660 × 270,660
  4. Step 4: Simplify right side
    138,786x = 73,256,835,600
  5. Step 5: Solve for x
    x = 73,256,835,600/138,786
  6. Step 6: Final answer
    x = 527,840.24

Related Problems

Find third proportional to 69,393 and 135,330
Half scale
Find third proportional to 277,572 and 541,320
Double scale
Find third proportional to 138,788 and 270,664
Similar ratio
Find third proportional to 208,179 and 405,990
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.