Home / 157,936-345,396

Finding the Third Proportional to 157,936 and 345,396

Calculator

Solution

The third proportional to 157,936 and 345,396 is: 755,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,936 : 345,396 = 345,396 : x
  2. Step 2: Convert to fraction form
    157,936/345,396 = 345,396/x
  3. Step 3: Cross multiply
    157,936x = 345,396 × 345,396
  4. Step 4: Simplify right side
    157,936x = 119,298,396,816
  5. Step 5: Solve for x
    x = 119,298,396,816/157,936
  6. Step 6: Final answer
    x = 755,359.11

Related Problems

Find third proportional to 78,968 and 172,698
Half scale
Find third proportional to 315,872 and 690,792
Double scale
Find third proportional to 157,938 and 345,400
Similar ratio
Find third proportional to 236,904 and 518,094
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.