Home / 18,872-40,348

Finding the Third Proportional to 18,872 and 40,348

Calculator

Solution

The third proportional to 18,872 and 40,348 is: 86,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872 : 40,348 = 40,348 : x
  2. Step 2: Convert to fraction form
    18,872/40,348 = 40,348/x
  3. Step 3: Cross multiply
    18,872x = 40,348 × 40,348
  4. Step 4: Simplify right side
    18,872x = 1,627,961,104
  5. Step 5: Solve for x
    x = 1,627,961,104/18,872
  6. Step 6: Final answer
    x = 86,263.31

Related Problems

Find third proportional to 9,436 and 20,174
Half scale
Find third proportional to 37,744 and 80,696
Double scale
Find third proportional to 18,874 and 40,352
Similar ratio
Find third proportional to 28,308 and 60,522
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.