Home / 18,348-39,288

Finding the Third Proportional to 18,348 and 39,288

Calculator

Solution

The third proportional to 18,348 and 39,288 is: 84,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348 : 39,288 = 39,288 : x
  2. Step 2: Convert to fraction form
    18,348/39,288 = 39,288/x
  3. Step 3: Cross multiply
    18,348x = 39,288 × 39,288
  4. Step 4: Simplify right side
    18,348x = 1,543,546,944
  5. Step 5: Solve for x
    x = 1,543,546,944/18,348
  6. Step 6: Final answer
    x = 84,126.17

Related Problems

Find third proportional to 9,174 and 19,644
Half scale
Find third proportional to 36,696 and 78,576
Double scale
Find third proportional to 18,350 and 39,292
Similar ratio
Find third proportional to 27,522 and 58,932
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.