Home / 157,728-343,104

Finding the Third Proportional to 157,728 and 343,104

Calculator

Solution

The third proportional to 157,728 and 343,104 is: 746,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,728 : 343,104 = 343,104 : x
  2. Step 2: Convert to fraction form
    157,728/343,104 = 343,104/x
  3. Step 3: Cross multiply
    157,728x = 343,104 × 343,104
  4. Step 4: Simplify right side
    157,728x = 117,720,354,816
  5. Step 5: Solve for x
    x = 117,720,354,816/157,728
  6. Step 6: Final answer
    x = 746,350.39

Related Problems

Find third proportional to 78,864 and 171,552
Half scale
Find third proportional to 315,456 and 686,208
Double scale
Find third proportional to 157,730 and 343,108
Similar ratio
Find third proportional to 236,592 and 514,656
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.