Home / 8,288-17,987

Finding the Third Proportional to 8,288 and 17,987

Calculator

Solution

The third proportional to 8,288 and 17,987 is: 39,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288 : 17,987 = 17,987 : x
  2. Step 2: Convert to fraction form
    8,288/17,987 = 17,987/x
  3. Step 3: Cross multiply
    8,288x = 17,987 × 17,987
  4. Step 4: Simplify right side
    8,288x = 323,532,169
  5. Step 5: Solve for x
    x = 323,532,169/8,288
  6. Step 6: Final answer
    x = 39,036.22

Related Problems

Find third proportional to 4,144 and 8,993.50
Half scale
Find third proportional to 16,576 and 35,974
Double scale
Find third proportional to 8,290 and 17,991
Similar ratio
Find third proportional to 12,432 and 26,980.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.