Home / 11,488-18,288

Finding the Third Proportional to 11,488 and 18,288

Calculator

Solution

The third proportional to 11,488 and 18,288 is: 29,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488 : 18,288 = 18,288 : x
  2. Step 2: Convert to fraction form
    11,488/18,288 = 18,288/x
  3. Step 3: Cross multiply
    11,488x = 18,288 × 18,288
  4. Step 4: Simplify right side
    11,488x = 334,450,944
  5. Step 5: Solve for x
    x = 334,450,944/11,488
  6. Step 6: Final answer
    x = 29,113.07

Related Problems

Find third proportional to 5,744 and 9,144
Half scale
Find third proportional to 22,976 and 36,576
Double scale
Find third proportional to 11,490 and 18,291
Similar ratio
Find third proportional to 17,232 and 27,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.