Home / 8,511.50-11,905

Finding the Third Proportional to 8,511.50 and 11,905

Calculator

Solution

The third proportional to 8,511.50 and 11,905 is: 16,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.50 : 11,905 = 11,905 : x
  2. Step 2: Convert to fraction form
    8,511.50/11,905 = 11,905/x
  3. Step 3: Cross multiply
    8,511.50x = 11,905 × 11,905
  4. Step 4: Simplify right side
    8,511.50x = 141,729,025
  5. Step 5: Solve for x
    x = 141,729,025/8,511.50
  6. Step 6: Final answer
    x = 16,651.47

Related Problems

Find third proportional to 4,255.75 and 5,952.50
Half scale
Find third proportional to 17,023 and 23,810
Double scale
Find third proportional to 8,514 and 11,908
Similar ratio
Find third proportional to 12,767.25 and 17,857.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.