Home / 155,518-327,636

Finding the Third Proportional to 155,518 and 327,636

Calculator

Solution

The third proportional to 155,518 and 327,636 is: 690,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,518 : 327,636 = 327,636 : x
  2. Step 2: Convert to fraction form
    155,518/327,636 = 327,636/x
  3. Step 3: Cross multiply
    155,518x = 327,636 × 327,636
  4. Step 4: Simplify right side
    155,518x = 107,345,348,496
  5. Step 5: Solve for x
    x = 107,345,348,496/155,518
  6. Step 6: Final answer
    x = 690,243.88

Related Problems

Find third proportional to 77,759 and 163,818
Half scale
Find third proportional to 311,036 and 655,272
Double scale
Find third proportional to 155,520 and 327,640
Similar ratio
Find third proportional to 233,277 and 491,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.