Home / 212,867-327,287

Finding the Third Proportional to 212,867 and 327,287

Calculator

Solution

The third proportional to 212,867 and 327,287 is: 503,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,867 : 327,287 = 327,287 : x
  2. Step 2: Convert to fraction form
    212,867/327,287 = 327,287/x
  3. Step 3: Cross multiply
    212,867x = 327,287 × 327,287
  4. Step 4: Simplify right side
    212,867x = 107,116,780,369
  5. Step 5: Solve for x
    x = 107,116,780,369/212,867
  6. Step 6: Final answer
    x = 503,209.89

Related Problems

Find third proportional to 106,433.50 and 163,643.50
Half scale
Find third proportional to 425,734 and 654,574
Double scale
Find third proportional to 212,869 and 327,290
Similar ratio
Find third proportional to 319,300.50 and 490,930.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.