Home / 192,540-422,280

Finding the Third Proportional to 192,540 and 422,280

Calculator

Solution

The third proportional to 192,540 and 422,280 is: 926,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,540 : 422,280 = 422,280 : x
  2. Step 2: Convert to fraction form
    192,540/422,280 = 422,280/x
  3. Step 3: Cross multiply
    192,540x = 422,280 × 422,280
  4. Step 4: Simplify right side
    192,540x = 178,320,398,400
  5. Step 5: Solve for x
    x = 178,320,398,400/192,540
  6. Step 6: Final answer
    x = 926,147.29

Related Problems

Find third proportional to 96,270 and 211,140
Half scale
Find third proportional to 385,080 and 844,560
Double scale
Find third proportional to 192,542 and 422,284
Similar ratio
Find third proportional to 288,810 and 633,420
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.