Home / 9,045-20,218

Finding the Third Proportional to 9,045 and 20,218

Calculator

Solution

The third proportional to 9,045 and 20,218 is: 45,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045 : 20,218 = 20,218 : x
  2. Step 2: Convert to fraction form
    9,045/20,218 = 20,218/x
  3. Step 3: Cross multiply
    9,045x = 20,218 × 20,218
  4. Step 4: Simplify right side
    9,045x = 408,767,524
  5. Step 5: Solve for x
    x = 408,767,524/9,045
  6. Step 6: Final answer
    x = 45,192.65

Related Problems

Find third proportional to 4,522.50 and 10,109
Half scale
Find third proportional to 18,090 and 40,436
Double scale
Find third proportional to 9,047 and 20,222
Similar ratio
Find third proportional to 13,567.50 and 30,327
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.