Home / 171,687-261,042

Finding the Third Proportional to 171,687 and 261,042

Calculator

Solution

The third proportional to 171,687 and 261,042 is: 396,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,687 : 261,042 = 261,042 : x
  2. Step 2: Convert to fraction form
    171,687/261,042 = 261,042/x
  3. Step 3: Cross multiply
    171,687x = 261,042 × 261,042
  4. Step 4: Simplify right side
    171,687x = 68,142,925,764
  5. Step 5: Solve for x
    x = 68,142,925,764/171,687
  6. Step 6: Final answer
    x = 396,902.07

Related Problems

Find third proportional to 85,843.50 and 130,521
Half scale
Find third proportional to 343,374 and 522,084
Double scale
Find third proportional to 171,689 and 261,045
Similar ratio
Find third proportional to 257,530.50 and 391,563
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.