Home / 8,844-21,381

Finding the Third Proportional to 8,844 and 21,381

Calculator

Solution

The third proportional to 8,844 and 21,381 is: 51,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844 : 21,381 = 21,381 : x
  2. Step 2: Convert to fraction form
    8,844/21,381 = 21,381/x
  3. Step 3: Cross multiply
    8,844x = 21,381 × 21,381
  4. Step 4: Simplify right side
    8,844x = 457,147,161
  5. Step 5: Solve for x
    x = 457,147,161/8,844
  6. Step 6: Final answer
    x = 51,690.09

Related Problems

Find third proportional to 4,422 and 10,690.50
Half scale
Find third proportional to 17,688 and 42,762
Double scale
Find third proportional to 8,846 and 21,386
Similar ratio
Find third proportional to 13,266 and 32,071.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.