Home / 11,550-18,600

Finding the Third Proportional to 11,550 and 18,600

Calculator

Solution

The third proportional to 11,550 and 18,600 is: 29,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550 : 18,600 = 18,600 : x
  2. Step 2: Convert to fraction form
    11,550/18,600 = 18,600/x
  3. Step 3: Cross multiply
    11,550x = 18,600 × 18,600
  4. Step 4: Simplify right side
    11,550x = 345,960,000
  5. Step 5: Solve for x
    x = 345,960,000/11,550
  6. Step 6: Final answer
    x = 29,953.25

Related Problems

Find third proportional to 5,775 and 9,300
Half scale
Find third proportional to 23,100 and 37,200
Double scale
Find third proportional to 11,552 and 18,603
Similar ratio
Find third proportional to 17,325 and 27,900
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.