Home / 8,608-18,251

Finding the Third Proportional to 8,608 and 18,251

Calculator

Solution

The third proportional to 8,608 and 18,251 is: 38,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608 : 18,251 = 18,251 : x
  2. Step 2: Convert to fraction form
    8,608/18,251 = 18,251/x
  3. Step 3: Cross multiply
    8,608x = 18,251 × 18,251
  4. Step 4: Simplify right side
    8,608x = 333,099,001
  5. Step 5: Solve for x
    x = 333,099,001/8,608
  6. Step 6: Final answer
    x = 38,696.45

Related Problems

Find third proportional to 4,304 and 9,125.50
Half scale
Find third proportional to 17,216 and 36,502
Double scale
Find third proportional to 8,610 and 18,255
Similar ratio
Find third proportional to 12,912 and 27,376.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.