Home / 215,794-326,690

Finding the Third Proportional to 215,794 and 326,690

Calculator

Solution

The third proportional to 215,794 and 326,690 is: 494,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,794 : 326,690 = 326,690 : x
  2. Step 2: Convert to fraction form
    215,794/326,690 = 326,690/x
  3. Step 3: Cross multiply
    215,794x = 326,690 × 326,690
  4. Step 4: Simplify right side
    215,794x = 106,726,356,100
  5. Step 5: Solve for x
    x = 106,726,356,100/215,794
  6. Step 6: Final answer
    x = 494,575.18

Related Problems

Find third proportional to 107,897 and 163,345
Half scale
Find third proportional to 431,588 and 653,380
Double scale
Find third proportional to 215,796 and 326,693
Similar ratio
Find third proportional to 323,691 and 490,035
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.