Home / 9,030-11,872

Finding the Third Proportional to 9,030 and 11,872

Calculator

Solution

The third proportional to 9,030 and 11,872 is: 15,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030 : 11,872 = 11,872 : x
  2. Step 2: Convert to fraction form
    9,030/11,872 = 11,872/x
  3. Step 3: Cross multiply
    9,030x = 11,872 × 11,872
  4. Step 4: Simplify right side
    9,030x = 140,944,384
  5. Step 5: Solve for x
    x = 140,944,384/9,030
  6. Step 6: Final answer
    x = 15,608.46

Related Problems

Find third proportional to 4,515 and 5,936
Half scale
Find third proportional to 18,060 and 23,744
Double scale
Find third proportional to 9,032 and 11,875
Similar ratio
Find third proportional to 13,545 and 17,808
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.