Home / 18,288-28,392

Finding the Third Proportional to 18,288 and 28,392

Calculator

Solution

The third proportional to 18,288 and 28,392 is: 44,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288 : 28,392 = 28,392 : x
  2. Step 2: Convert to fraction form
    18,288/28,392 = 28,392/x
  3. Step 3: Cross multiply
    18,288x = 28,392 × 28,392
  4. Step 4: Simplify right side
    18,288x = 806,105,664
  5. Step 5: Solve for x
    x = 806,105,664/18,288
  6. Step 6: Final answer
    x = 44,078.39

Related Problems

Find third proportional to 9,144 and 14,196
Half scale
Find third proportional to 36,576 and 56,784
Double scale
Find third proportional to 18,290 and 28,395
Similar ratio
Find third proportional to 27,432 and 42,588
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.