Home / 11,124-18,138

Finding the Third Proportional to 11,124 and 18,138

Calculator

Solution

The third proportional to 11,124 and 18,138 is: 29,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124 : 18,138 = 18,138 : x
  2. Step 2: Convert to fraction form
    11,124/18,138 = 18,138/x
  3. Step 3: Cross multiply
    11,124x = 18,138 × 18,138
  4. Step 4: Simplify right side
    11,124x = 328,987,044
  5. Step 5: Solve for x
    x = 328,987,044/11,124
  6. Step 6: Final answer
    x = 29,574.53

Related Problems

Find third proportional to 5,562 and 9,069
Half scale
Find third proportional to 22,248 and 36,276
Double scale
Find third proportional to 11,126 and 18,141
Similar ratio
Find third proportional to 16,686 and 27,207
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.