Home / 18,300-38,760

Finding the Third Proportional to 18,300 and 38,760

Calculator

Solution

The third proportional to 18,300 and 38,760 is: 82,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300 : 38,760 = 38,760 : x
  2. Step 2: Convert to fraction form
    18,300/38,760 = 38,760/x
  3. Step 3: Cross multiply
    18,300x = 38,760 × 38,760
  4. Step 4: Simplify right side
    18,300x = 1,502,337,600
  5. Step 5: Solve for x
    x = 1,502,337,600/18,300
  6. Step 6: Final answer
    x = 82,094.95

Related Problems

Find third proportional to 9,150 and 19,380
Half scale
Find third proportional to 36,600 and 77,520
Double scale
Find third proportional to 18,302 and 38,764
Similar ratio
Find third proportional to 27,450 and 58,140
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.