Home / 9,030-12,873

Finding the Third Proportional to 9,030 and 12,873

Calculator

Solution

The third proportional to 9,030 and 12,873 is: 18,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030 : 12,873 = 12,873 : x
  2. Step 2: Convert to fraction form
    9,030/12,873 = 12,873/x
  3. Step 3: Cross multiply
    9,030x = 12,873 × 12,873
  4. Step 4: Simplify right side
    9,030x = 165,714,129
  5. Step 5: Solve for x
    x = 165,714,129/9,030
  6. Step 6: Final answer
    x = 18,351.51

Related Problems

Find third proportional to 4,515 and 6,436.50
Half scale
Find third proportional to 18,060 and 25,746
Double scale
Find third proportional to 9,032 and 12,876
Similar ratio
Find third proportional to 13,545 and 19,309.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.