Home / 11,280-15,102

Finding the Third Proportional to 11,280 and 15,102

Calculator

Solution

The third proportional to 11,280 and 15,102 is: 20,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280 : 15,102 = 15,102 : x
  2. Step 2: Convert to fraction form
    11,280/15,102 = 15,102/x
  3. Step 3: Cross multiply
    11,280x = 15,102 × 15,102
  4. Step 4: Simplify right side
    11,280x = 228,070,404
  5. Step 5: Solve for x
    x = 228,070,404/11,280
  6. Step 6: Final answer
    x = 20,219.01

Related Problems

Find third proportional to 5,640 and 7,551
Half scale
Find third proportional to 22,560 and 30,204
Double scale
Find third proportional to 11,282 and 15,105
Similar ratio
Find third proportional to 16,920 and 22,653
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.