Home / 17,907-39,388

Finding the Third Proportional to 17,907 and 39,388

Calculator

Solution

The third proportional to 17,907 and 39,388 is: 86,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907 : 39,388 = 39,388 : x
  2. Step 2: Convert to fraction form
    17,907/39,388 = 39,388/x
  3. Step 3: Cross multiply
    17,907x = 39,388 × 39,388
  4. Step 4: Simplify right side
    17,907x = 1,551,414,544
  5. Step 5: Solve for x
    x = 1,551,414,544/17,907
  6. Step 6: Final answer
    x = 86,637.32

Related Problems

Find third proportional to 8,953.50 and 19,694
Half scale
Find third proportional to 35,814 and 78,776
Double scale
Find third proportional to 17,909 and 39,392
Similar ratio
Find third proportional to 26,860.50 and 59,082
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.