Home / 13,560-20,376

Finding the Third Proportional to 13,560 and 20,376

Calculator

Solution

The third proportional to 13,560 and 20,376 is: 30,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560 : 20,376 = 20,376 : x
  2. Step 2: Convert to fraction form
    13,560/20,376 = 20,376/x
  3. Step 3: Cross multiply
    13,560x = 20,376 × 20,376
  4. Step 4: Simplify right side
    13,560x = 415,181,376
  5. Step 5: Solve for x
    x = 415,181,376/13,560
  6. Step 6: Final answer
    x = 30,618.10

Related Problems

Find third proportional to 6,780 and 10,188
Half scale
Find third proportional to 27,120 and 40,752
Double scale
Find third proportional to 13,562 and 20,379
Similar ratio
Find third proportional to 20,340 and 30,564
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.