Home / 18,186-39,842

Finding the Third Proportional to 18,186 and 39,842

Calculator

Solution

The third proportional to 18,186 and 39,842 is: 87,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186 : 39,842 = 39,842 : x
  2. Step 2: Convert to fraction form
    18,186/39,842 = 39,842/x
  3. Step 3: Cross multiply
    18,186x = 39,842 × 39,842
  4. Step 4: Simplify right side
    18,186x = 1,587,384,964
  5. Step 5: Solve for x
    x = 1,587,384,964/18,186
  6. Step 6: Final answer
    x = 87,286.10

Related Problems

Find third proportional to 9,093 and 19,921
Half scale
Find third proportional to 36,372 and 79,684
Double scale
Find third proportional to 18,188 and 39,846
Similar ratio
Find third proportional to 27,279 and 59,763
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.