Home / 170,658-372,420

Finding the Third Proportional to 170,658 and 372,420

Calculator

Solution

The third proportional to 170,658 and 372,420 is: 812,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,658 : 372,420 = 372,420 : x
  2. Step 2: Convert to fraction form
    170,658/372,420 = 372,420/x
  3. Step 3: Cross multiply
    170,658x = 372,420 × 372,420
  4. Step 4: Simplify right side
    170,658x = 138,696,656,400
  5. Step 5: Solve for x
    x = 138,696,656,400/170,658
  6. Step 6: Final answer
    x = 812,716.99

Related Problems

Find third proportional to 85,329 and 186,210
Half scale
Find third proportional to 341,316 and 744,840
Double scale
Find third proportional to 170,660 and 372,424
Similar ratio
Find third proportional to 255,987 and 558,630
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.