Home / 54,171-81,423

Finding the Third Proportional to 54,171 and 81,423

Calculator

Solution

The third proportional to 54,171 and 81,423 is: 122,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171 : 81,423 = 81,423 : x
  2. Step 2: Convert to fraction form
    54,171/81,423 = 81,423/x
  3. Step 3: Cross multiply
    54,171x = 81,423 × 81,423
  4. Step 4: Simplify right side
    54,171x = 6,629,704,929
  5. Step 5: Solve for x
    x = 6,629,704,929/54,171
  6. Step 6: Final answer
    x = 122,384.76

Related Problems

Find third proportional to 27,085.50 and 40,711.50
Half scale
Find third proportional to 108,342 and 162,846
Double scale
Find third proportional to 54,173 and 81,426
Similar ratio
Find third proportional to 81,256.50 and 122,134.50
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.