Home / 8,491-18,298

Finding the Third Proportional to 8,491 and 18,298

Calculator

Solution

The third proportional to 8,491 and 18,298 is: 39,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491 : 18,298 = 18,298 : x
  2. Step 2: Convert to fraction form
    8,491/18,298 = 18,298/x
  3. Step 3: Cross multiply
    8,491x = 18,298 × 18,298
  4. Step 4: Simplify right side
    8,491x = 334,816,804
  5. Step 5: Solve for x
    x = 334,816,804/8,491
  6. Step 6: Final answer
    x = 39,431.96

Related Problems

Find third proportional to 4,245.50 and 9,149
Half scale
Find third proportional to 16,982 and 36,596
Double scale
Find third proportional to 8,493 and 18,302
Similar ratio
Find third proportional to 12,736.50 and 27,447
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.