Home / 309,416-492,341

Finding the Third Proportional to 309,416 and 492,341

Calculator

Solution

The third proportional to 309,416 and 492,341 is: 783,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,416 : 492,341 = 492,341 : x
  2. Step 2: Convert to fraction form
    309,416/492,341 = 492,341/x
  3. Step 3: Cross multiply
    309,416x = 492,341 × 492,341
  4. Step 4: Simplify right side
    309,416x = 242,399,660,281
  5. Step 5: Solve for x
    x = 242,399,660,281/309,416
  6. Step 6: Final answer
    x = 783,410.23

Related Problems

Find third proportional to 154,708 and 246,170.50
Half scale
Find third proportional to 618,832 and 984,682
Double scale
Find third proportional to 309,418 and 492,344
Similar ratio
Find third proportional to 464,124 and 738,511.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.