Home / 3,648-7,988

Finding the Third Proportional to 3,648 and 7,988

Calculator

Solution

The third proportional to 3,648 and 7,988 is: 17,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648 : 7,988 = 7,988 : x
  2. Step 2: Convert to fraction form
    3,648/7,988 = 7,988/x
  3. Step 3: Cross multiply
    3,648x = 7,988 × 7,988
  4. Step 4: Simplify right side
    3,648x = 63,808,144
  5. Step 5: Solve for x
    x = 63,808,144/3,648
  6. Step 6: Final answer
    x = 17,491.27

Related Problems

Find third proportional to 1,824 and 3,994
Half scale
Find third proportional to 7,296 and 15,976
Double scale
Find third proportional to 3,650 and 7,992
Similar ratio
Find third proportional to 5,472 and 11,982
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.