Home / 172,786-270,466

Finding the Third Proportional to 172,786 and 270,466

Calculator

Solution

The third proportional to 172,786 and 270,466 is: 423,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,786 : 270,466 = 270,466 : x
  2. Step 2: Convert to fraction form
    172,786/270,466 = 270,466/x
  3. Step 3: Cross multiply
    172,786x = 270,466 × 270,466
  4. Step 4: Simplify right side
    172,786x = 73,151,857,156
  5. Step 5: Solve for x
    x = 73,151,857,156/172,786
  6. Step 6: Final answer
    x = 423,366.81

Related Problems

Find third proportional to 86,393 and 135,233
Half scale
Find third proportional to 345,572 and 540,932
Double scale
Find third proportional to 172,788 and 270,469
Similar ratio
Find third proportional to 259,179 and 405,699
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.