Home / 170,421-259,172.75

Finding the Third Proportional to 170,421 and 259,172.75

Calculator

Solution

The third proportional to 170,421 and 259,172.75 is: 394,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,421 : 259,172.75 = 259,172.75 : x
  2. Step 2: Convert to fraction form
    170,421/259,172.75 = 259,172.75/x
  3. Step 3: Cross multiply
    170,421x = 259,172.75 × 259,172.75
  4. Step 4: Simplify right side
    170,421x = 67,170,514,342.56
  5. Step 5: Solve for x
    x = 67,170,514,342.56/170,421
  6. Step 6: Final answer
    x = 394,144.59

Related Problems

Find third proportional to 85,210.50 and 129,586.38
Half scale
Find third proportional to 340,842 and 518,345.50
Double scale
Find third proportional to 170,423 and 259,176
Similar ratio
Find third proportional to 255,631.50 and 388,759.13
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.