Home / 8,392-18,072

Finding the Third Proportional to 8,392 and 18,072

Calculator

Solution

The third proportional to 8,392 and 18,072 is: 38,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392 : 18,072 = 18,072 : x
  2. Step 2: Convert to fraction form
    8,392/18,072 = 18,072/x
  3. Step 3: Cross multiply
    8,392x = 18,072 × 18,072
  4. Step 4: Simplify right side
    8,392x = 326,597,184
  5. Step 5: Solve for x
    x = 326,597,184/8,392
  6. Step 6: Final answer
    x = 38,917.68

Related Problems

Find third proportional to 4,196 and 9,036
Half scale
Find third proportional to 16,784 and 36,144
Double scale
Find third proportional to 8,394 and 18,076
Similar ratio
Find third proportional to 12,588 and 27,108
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.