Home / 87,396-187,257

Finding the Third Proportional to 87,396 and 187,257

Calculator

Solution

The third proportional to 87,396 and 187,257 is: 401,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,396 : 187,257 = 187,257 : x
  2. Step 2: Convert to fraction form
    87,396/187,257 = 187,257/x
  3. Step 3: Cross multiply
    87,396x = 187,257 × 187,257
  4. Step 4: Simplify right side
    87,396x = 35,065,184,049
  5. Step 5: Solve for x
    x = 35,065,184,049/87,396
  6. Step 6: Final answer
    x = 401,221.84

Related Problems

Find third proportional to 43,698 and 93,628.50
Half scale
Find third proportional to 174,792 and 374,514
Double scale
Find third proportional to 87,398 and 187,261
Similar ratio
Find third proportional to 131,094 and 280,885.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.