Home / 9,415-20,080

Finding the Third Proportional to 9,415 and 20,080

Calculator

Solution

The third proportional to 9,415 and 20,080 is: 42,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415 : 20,080 = 20,080 : x
  2. Step 2: Convert to fraction form
    9,415/20,080 = 20,080/x
  3. Step 3: Cross multiply
    9,415x = 20,080 × 20,080
  4. Step 4: Simplify right side
    9,415x = 403,206,400
  5. Step 5: Solve for x
    x = 403,206,400/9,415
  6. Step 6: Final answer
    x = 42,825.96

Related Problems

Find third proportional to 4,707.50 and 10,040
Half scale
Find third proportional to 18,830 and 40,160
Double scale
Find third proportional to 9,417 and 20,084
Similar ratio
Find third proportional to 14,122.50 and 30,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.