Home / 145,344-339,672

Finding the Third Proportional to 145,344 and 339,672

Calculator

Solution

The third proportional to 145,344 and 339,672 is: 793,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,344 : 339,672 = 339,672 : x
  2. Step 2: Convert to fraction form
    145,344/339,672 = 339,672/x
  3. Step 3: Cross multiply
    145,344x = 339,672 × 339,672
  4. Step 4: Simplify right side
    145,344x = 115,377,067,584
  5. Step 5: Solve for x
    x = 115,377,067,584/145,344
  6. Step 6: Final answer
    x = 793,820.64

Related Problems

Find third proportional to 72,672 and 169,836
Half scale
Find third proportional to 290,688 and 679,344
Double scale
Find third proportional to 145,346 and 339,677
Similar ratio
Find third proportional to 218,016 and 509,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.