Home / 13,786-21,958

Finding the Third Proportional to 13,786 and 21,958

Calculator

Solution

The third proportional to 13,786 and 21,958 is: 34,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786 : 21,958 = 21,958 : x
  2. Step 2: Convert to fraction form
    13,786/21,958 = 21,958/x
  3. Step 3: Cross multiply
    13,786x = 21,958 × 21,958
  4. Step 4: Simplify right side
    13,786x = 482,153,764
  5. Step 5: Solve for x
    x = 482,153,764/13,786
  6. Step 6: Final answer
    x = 34,974.16

Related Problems

Find third proportional to 6,893 and 10,979
Half scale
Find third proportional to 27,572 and 43,916
Double scale
Find third proportional to 13,788 and 21,961
Similar ratio
Find third proportional to 20,679 and 32,937
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.