Home / 18,742-39,914

Finding the Third Proportional to 18,742 and 39,914

Calculator

Solution

The third proportional to 18,742 and 39,914 is: 85,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742 : 39,914 = 39,914 : x
  2. Step 2: Convert to fraction form
    18,742/39,914 = 39,914/x
  3. Step 3: Cross multiply
    18,742x = 39,914 × 39,914
  4. Step 4: Simplify right side
    18,742x = 1,593,127,396
  5. Step 5: Solve for x
    x = 1,593,127,396/18,742
  6. Step 6: Final answer
    x = 85,003.06

Related Problems

Find third proportional to 9,371 and 19,957
Half scale
Find third proportional to 37,484 and 79,828
Double scale
Find third proportional to 18,744 and 39,918
Similar ratio
Find third proportional to 28,113 and 59,871
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.