Home / 8,997-13,620

Finding the Third Proportional to 8,997 and 13,620

Calculator

Solution

The third proportional to 8,997 and 13,620 is: 20,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997 : 13,620 = 13,620 : x
  2. Step 2: Convert to fraction form
    8,997/13,620 = 13,620/x
  3. Step 3: Cross multiply
    8,997x = 13,620 × 13,620
  4. Step 4: Simplify right side
    8,997x = 185,504,400
  5. Step 5: Solve for x
    x = 185,504,400/8,997
  6. Step 6: Final answer
    x = 20,618.47

Related Problems

Find third proportional to 4,498.50 and 6,810
Half scale
Find third proportional to 17,994 and 27,240
Double scale
Find third proportional to 8,999 and 13,623
Similar ratio
Find third proportional to 13,495.50 and 20,430
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.