Home / 170,228-269,423

Finding the Third Proportional to 170,228 and 269,423

Calculator

Solution

The third proportional to 170,228 and 269,423 is: 426,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,228 : 269,423 = 269,423 : x
  2. Step 2: Convert to fraction form
    170,228/269,423 = 269,423/x
  3. Step 3: Cross multiply
    170,228x = 269,423 × 269,423
  4. Step 4: Simplify right side
    170,228x = 72,588,752,929
  5. Step 5: Solve for x
    x = 72,588,752,929/170,228
  6. Step 6: Final answer
    x = 426,420.76

Related Problems

Find third proportional to 85,114 and 134,711.50
Half scale
Find third proportional to 340,456 and 538,846
Double scale
Find third proportional to 170,230 and 269,426
Similar ratio
Find third proportional to 255,342 and 404,134.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.