Home / 9,040-18,530

Finding the Third Proportional to 9,040 and 18,530

Calculator

Solution

The third proportional to 9,040 and 18,530 is: 37,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040 : 18,530 = 18,530 : x
  2. Step 2: Convert to fraction form
    9,040/18,530 = 18,530/x
  3. Step 3: Cross multiply
    9,040x = 18,530 × 18,530
  4. Step 4: Simplify right side
    9,040x = 343,360,900
  5. Step 5: Solve for x
    x = 343,360,900/9,040
  6. Step 6: Final answer
    x = 37,982.40

Related Problems

Find third proportional to 4,520 and 9,265
Half scale
Find third proportional to 18,080 and 37,060
Double scale
Find third proportional to 9,042 and 18,534
Similar ratio
Find third proportional to 13,560 and 27,795
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.