Home / 172,134-375,420

Finding the Third Proportional to 172,134 and 375,420

Calculator

Solution

The third proportional to 172,134 and 375,420 is: 818,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,134 : 375,420 = 375,420 : x
  2. Step 2: Convert to fraction form
    172,134/375,420 = 375,420/x
  3. Step 3: Cross multiply
    172,134x = 375,420 × 375,420
  4. Step 4: Simplify right side
    172,134x = 140,940,176,400
  5. Step 5: Solve for x
    x = 140,940,176,400/172,134
  6. Step 6: Final answer
    x = 818,781.74

Related Problems

Find third proportional to 86,067 and 187,710
Half scale
Find third proportional to 344,268 and 750,840
Double scale
Find third proportional to 172,136 and 375,424
Similar ratio
Find third proportional to 258,201 and 563,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.