Home / 17,906-39,208

Finding the Third Proportional to 17,906 and 39,208

Calculator

Solution

The third proportional to 17,906 and 39,208 is: 85,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906 : 39,208 = 39,208 : x
  2. Step 2: Convert to fraction form
    17,906/39,208 = 39,208/x
  3. Step 3: Cross multiply
    17,906x = 39,208 × 39,208
  4. Step 4: Simplify right side
    17,906x = 1,537,267,264
  5. Step 5: Solve for x
    x = 1,537,267,264/17,906
  6. Step 6: Final answer
    x = 85,852.08

Related Problems

Find third proportional to 8,953 and 19,604
Half scale
Find third proportional to 35,812 and 78,416
Double scale
Find third proportional to 17,908 and 39,212
Similar ratio
Find third proportional to 26,859 and 58,812
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.