Home / 18,156-38,148

Finding the Third Proportional to 18,156 and 38,148

Calculator

Solution

The third proportional to 18,156 and 38,148 is: 80,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156 : 38,148 = 38,148 : x
  2. Step 2: Convert to fraction form
    18,156/38,148 = 38,148/x
  3. Step 3: Cross multiply
    18,156x = 38,148 × 38,148
  4. Step 4: Simplify right side
    18,156x = 1,455,269,904
  5. Step 5: Solve for x
    x = 1,455,269,904/18,156
  6. Step 6: Final answer
    x = 80,153.66

Related Problems

Find third proportional to 9,078 and 19,074
Half scale
Find third proportional to 36,312 and 76,296
Double scale
Find third proportional to 18,158 and 38,152
Similar ratio
Find third proportional to 27,234 and 57,222
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.