Home / 18,238-23,305

Finding the Third Proportional to 18,238 and 23,305

Calculator

Solution

The third proportional to 18,238 and 23,305 is: 29,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238 : 23,305 = 23,305 : x
  2. Step 2: Convert to fraction form
    18,238/23,305 = 23,305/x
  3. Step 3: Cross multiply
    18,238x = 23,305 × 23,305
  4. Step 4: Simplify right side
    18,238x = 543,123,025
  5. Step 5: Solve for x
    x = 543,123,025/18,238
  6. Step 6: Final answer
    x = 29,779.75

Related Problems

Find third proportional to 9,119 and 11,652.50
Half scale
Find third proportional to 36,476 and 46,610
Double scale
Find third proportional to 18,240 and 23,308
Similar ratio
Find third proportional to 27,357 and 34,957.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.