Home / 18,496-39,908

Finding the Third Proportional to 18,496 and 39,908

Calculator

Solution

The third proportional to 18,496 and 39,908 is: 86,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496 : 39,908 = 39,908 : x
  2. Step 2: Convert to fraction form
    18,496/39,908 = 39,908/x
  3. Step 3: Cross multiply
    18,496x = 39,908 × 39,908
  4. Step 4: Simplify right side
    18,496x = 1,592,648,464
  5. Step 5: Solve for x
    x = 1,592,648,464/18,496
  6. Step 6: Final answer
    x = 86,107.72

Related Problems

Find third proportional to 9,248 and 19,954
Half scale
Find third proportional to 36,992 and 79,816
Double scale
Find third proportional to 18,498 and 39,912
Similar ratio
Find third proportional to 27,744 and 59,862
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.