Home / 3,648-8,772

Finding the Third Proportional to 3,648 and 8,772

Calculator

Solution

The third proportional to 3,648 and 8,772 is: 21,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648 : 8,772 = 8,772 : x
  2. Step 2: Convert to fraction form
    3,648/8,772 = 8,772/x
  3. Step 3: Cross multiply
    3,648x = 8,772 × 8,772
  4. Step 4: Simplify right side
    3,648x = 76,947,984
  5. Step 5: Solve for x
    x = 76,947,984/3,648
  6. Step 6: Final answer
    x = 21,093.20

Related Problems

Find third proportional to 1,824 and 4,386
Half scale
Find third proportional to 7,296 and 17,544
Double scale
Find third proportional to 3,650 and 8,777
Similar ratio
Find third proportional to 5,472 and 13,158
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.