Home / 343,984-521,170

Finding the Third Proportional to 343,984 and 521,170

Calculator

Solution

The third proportional to 343,984 and 521,170 is: 789,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,984 : 521,170 = 521,170 : x
  2. Step 2: Convert to fraction form
    343,984/521,170 = 521,170/x
  3. Step 3: Cross multiply
    343,984x = 521,170 × 521,170
  4. Step 4: Simplify right side
    343,984x = 271,618,168,900
  5. Step 5: Solve for x
    x = 271,618,168,900/343,984
  6. Step 6: Final answer
    x = 789,624.43

Related Problems

Find third proportional to 171,992 and 260,585
Half scale
Find third proportional to 687,968 and 1,042,340
Double scale
Find third proportional to 343,986 and 521,173
Similar ratio
Find third proportional to 515,976 and 781,755
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.