Home / 18,306-27,945

Finding the Third Proportional to 18,306 and 27,945

Calculator

Solution

The third proportional to 18,306 and 27,945 is: 42,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306 : 27,945 = 27,945 : x
  2. Step 2: Convert to fraction form
    18,306/27,945 = 27,945/x
  3. Step 3: Cross multiply
    18,306x = 27,945 × 27,945
  4. Step 4: Simplify right side
    18,306x = 780,923,025
  5. Step 5: Solve for x
    x = 780,923,025/18,306
  6. Step 6: Final answer
    x = 42,659.40

Related Problems

Find third proportional to 9,153 and 13,972.50
Half scale
Find third proportional to 36,612 and 55,890
Double scale
Find third proportional to 18,308 and 27,948
Similar ratio
Find third proportional to 27,459 and 41,917.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.