Home / 162,810-280,179

Finding the Third Proportional to 162,810 and 280,179

Calculator

Solution

The third proportional to 162,810 and 280,179 is: 482,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,810 : 280,179 = 280,179 : x
  2. Step 2: Convert to fraction form
    162,810/280,179 = 280,179/x
  3. Step 3: Cross multiply
    162,810x = 280,179 × 280,179
  4. Step 4: Simplify right side
    162,810x = 78,500,272,041
  5. Step 5: Solve for x
    x = 78,500,272,041/162,810
  6. Step 6: Final answer
    x = 482,158.79

Related Problems

Find third proportional to 81,405 and 140,089.50
Half scale
Find third proportional to 325,620 and 560,358
Double scale
Find third proportional to 162,812 and 280,182
Similar ratio
Find third proportional to 244,215 and 420,268.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.