Home / 12,810-27,864

Finding the Third Proportional to 12,810 and 27,864

Calculator

Solution

The third proportional to 12,810 and 27,864 is: 60,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810 : 27,864 = 27,864 : x
  2. Step 2: Convert to fraction form
    12,810/27,864 = 27,864/x
  3. Step 3: Cross multiply
    12,810x = 27,864 × 27,864
  4. Step 4: Simplify right side
    12,810x = 776,402,496
  5. Step 5: Solve for x
    x = 776,402,496/12,810
  6. Step 6: Final answer
    x = 60,609.09

Related Problems

Find third proportional to 6,405 and 13,932
Half scale
Find third proportional to 25,620 and 55,728
Double scale
Find third proportional to 12,812 and 27,868
Similar ratio
Find third proportional to 19,215 and 41,796
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.