Home / 8,574-18,172

Finding the Third Proportional to 8,574 and 18,172

Calculator

Solution

The third proportional to 8,574 and 18,172 is: 38,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574 : 18,172 = 18,172 : x
  2. Step 2: Convert to fraction form
    8,574/18,172 = 18,172/x
  3. Step 3: Cross multiply
    8,574x = 18,172 × 18,172
  4. Step 4: Simplify right side
    8,574x = 330,221,584
  5. Step 5: Solve for x
    x = 330,221,584/8,574
  6. Step 6: Final answer
    x = 38,514.30

Related Problems

Find third proportional to 4,287 and 9,086
Half scale
Find third proportional to 17,148 and 36,344
Double scale
Find third proportional to 8,576 and 18,176
Similar ratio
Find third proportional to 12,861 and 27,258
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.