Home / 12,572-18,858

Finding the Third Proportional to 12,572 and 18,858

Calculator

Solution

The third proportional to 12,572 and 18,858 is: 28,287

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572 : 18,858 = 18,858 : x
  2. Step 2: Convert to fraction form
    12,572/18,858 = 18,858/x
  3. Step 3: Cross multiply
    12,572x = 18,858 × 18,858
  4. Step 4: Simplify right side
    12,572x = 355,624,164
  5. Step 5: Solve for x
    x = 355,624,164/12,572
  6. Step 6: Final answer
    x = 28,287

Related Problems

Find third proportional to 6,286 and 9,429
Half scale
Find third proportional to 25,144 and 37,716
Double scale
Find third proportional to 12,574 and 18,861
Similar ratio
Find third proportional to 18,858 and 28,287
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.