Home / 12,286-18,530

Finding the Third Proportional to 12,286 and 18,530

Calculator

Solution

The third proportional to 12,286 and 18,530 is: 27,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286 : 18,530 = 18,530 : x
  2. Step 2: Convert to fraction form
    12,286/18,530 = 18,530/x
  3. Step 3: Cross multiply
    12,286x = 18,530 × 18,530
  4. Step 4: Simplify right side
    12,286x = 343,360,900
  5. Step 5: Solve for x
    x = 343,360,900/12,286
  6. Step 6: Final answer
    x = 27,947.33

Related Problems

Find third proportional to 6,143 and 9,265
Half scale
Find third proportional to 24,572 and 37,060
Double scale
Find third proportional to 12,288 and 18,533
Similar ratio
Find third proportional to 18,429 and 27,795
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.