Home / 12,805-27,790

Finding the Third Proportional to 12,805 and 27,790

Calculator

Solution

The third proportional to 12,805 and 27,790 is: 60,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805 : 27,790 = 27,790 : x
  2. Step 2: Convert to fraction form
    12,805/27,790 = 27,790/x
  3. Step 3: Cross multiply
    12,805x = 27,790 × 27,790
  4. Step 4: Simplify right side
    12,805x = 772,284,100
  5. Step 5: Solve for x
    x = 772,284,100/12,805
  6. Step 6: Final answer
    x = 60,311.14

Related Problems

Find third proportional to 6,402.50 and 13,895
Half scale
Find third proportional to 25,610 and 55,580
Double scale
Find third proportional to 12,807 and 27,794
Similar ratio
Find third proportional to 19,207.50 and 41,685
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.