Home / 10,560-18,180

Finding the Third Proportional to 10,560 and 18,180

Calculator

Solution

The third proportional to 10,560 and 18,180 is: 31,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560 : 18,180 = 18,180 : x
  2. Step 2: Convert to fraction form
    10,560/18,180 = 18,180/x
  3. Step 3: Cross multiply
    10,560x = 18,180 × 18,180
  4. Step 4: Simplify right side
    10,560x = 330,512,400
  5. Step 5: Solve for x
    x = 330,512,400/10,560
  6. Step 6: Final answer
    x = 31,298.52

Related Problems

Find third proportional to 5,280 and 9,090
Half scale
Find third proportional to 21,120 and 36,360
Double scale
Find third proportional to 10,562 and 18,183
Similar ratio
Find third proportional to 15,840 and 27,270
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.