Home / 8,772-13,161

Finding the Third Proportional to 8,772 and 13,161

Calculator

Solution

The third proportional to 8,772 and 13,161 is: 19,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772 : 13,161 = 13,161 : x
  2. Step 2: Convert to fraction form
    8,772/13,161 = 13,161/x
  3. Step 3: Cross multiply
    8,772x = 13,161 × 13,161
  4. Step 4: Simplify right side
    8,772x = 173,211,921
  5. Step 5: Solve for x
    x = 173,211,921/8,772
  6. Step 6: Final answer
    x = 19,746.00

Related Problems

Find third proportional to 4,386 and 6,580.50
Half scale
Find third proportional to 17,544 and 26,322
Double scale
Find third proportional to 8,774 and 13,164
Similar ratio
Find third proportional to 13,158 and 19,741.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.