Home / 172,756-266,514

Finding the Third Proportional to 172,756 and 266,514

Calculator

Solution

The third proportional to 172,756 and 266,514 is: 411,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,756 : 266,514 = 266,514 : x
  2. Step 2: Convert to fraction form
    172,756/266,514 = 266,514/x
  3. Step 3: Cross multiply
    172,756x = 266,514 × 266,514
  4. Step 4: Simplify right side
    172,756x = 71,029,712,196
  5. Step 5: Solve for x
    x = 71,029,712,196/172,756
  6. Step 6: Final answer
    x = 411,156.27

Related Problems

Find third proportional to 86,378 and 133,257
Half scale
Find third proportional to 345,512 and 533,028
Double scale
Find third proportional to 172,758 and 266,517
Similar ratio
Find third proportional to 259,134 and 399,771
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.