Home / 215,840-327,648

Finding the Third Proportional to 215,840 and 327,648

Calculator

Solution

The third proportional to 215,840 and 327,648 is: 497,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,840 : 327,648 = 327,648 : x
  2. Step 2: Convert to fraction form
    215,840/327,648 = 327,648/x
  3. Step 3: Cross multiply
    215,840x = 327,648 × 327,648
  4. Step 4: Simplify right side
    215,840x = 107,353,211,904
  5. Step 5: Solve for x
    x = 107,353,211,904/215,840
  6. Step 6: Final answer
    x = 497,374.04

Related Problems

Find third proportional to 107,920 and 163,824
Half scale
Find third proportional to 431,680 and 655,296
Double scale
Find third proportional to 215,842 and 327,651
Similar ratio
Find third proportional to 323,760 and 491,472
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.