Home / 18,324-37,620

Finding the Third Proportional to 18,324 and 37,620

Calculator

Solution

The third proportional to 18,324 and 37,620 is: 77,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324 : 37,620 = 37,620 : x
  2. Step 2: Convert to fraction form
    18,324/37,620 = 37,620/x
  3. Step 3: Cross multiply
    18,324x = 37,620 × 37,620
  4. Step 4: Simplify right side
    18,324x = 1,415,264,400
  5. Step 5: Solve for x
    x = 1,415,264,400/18,324
  6. Step 6: Final answer
    x = 77,235.56

Related Problems

Find third proportional to 9,162 and 18,810
Half scale
Find third proportional to 36,648 and 75,240
Double scale
Find third proportional to 18,326 and 37,624
Similar ratio
Find third proportional to 27,486 and 56,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.