Home / 11,464-18,120

Finding the Third Proportional to 11,464 and 18,120

Calculator

Solution

The third proportional to 11,464 and 18,120 is: 28,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464 : 18,120 = 18,120 : x
  2. Step 2: Convert to fraction form
    11,464/18,120 = 18,120/x
  3. Step 3: Cross multiply
    11,464x = 18,120 × 18,120
  4. Step 4: Simplify right side
    11,464x = 328,334,400
  5. Step 5: Solve for x
    x = 328,334,400/11,464
  6. Step 6: Final answer
    x = 28,640.47

Related Problems

Find third proportional to 5,732 and 9,060
Half scale
Find third proportional to 22,928 and 36,240
Double scale
Find third proportional to 11,466 and 18,123
Similar ratio
Find third proportional to 17,196 and 27,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.