Home / 18,824-40,890

Finding the Third Proportional to 18,824 and 40,890

Calculator

Solution

The third proportional to 18,824 and 40,890 is: 88,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824 : 40,890 = 40,890 : x
  2. Step 2: Convert to fraction form
    18,824/40,890 = 40,890/x
  3. Step 3: Cross multiply
    18,824x = 40,890 × 40,890
  4. Step 4: Simplify right side
    18,824x = 1,671,992,100
  5. Step 5: Solve for x
    x = 1,671,992,100/18,824
  6. Step 6: Final answer
    x = 88,822.36

Related Problems

Find third proportional to 9,412 and 20,445
Half scale
Find third proportional to 37,648 and 81,780
Double scale
Find third proportional to 18,826 and 40,894
Similar ratio
Find third proportional to 28,236 and 61,335
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.