Home / 157,272-339,456

Finding the Third Proportional to 157,272 and 339,456

Calculator

Solution

The third proportional to 157,272 and 339,456 is: 732,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,272 : 339,456 = 339,456 : x
  2. Step 2: Convert to fraction form
    157,272/339,456 = 339,456/x
  3. Step 3: Cross multiply
    157,272x = 339,456 × 339,456
  4. Step 4: Simplify right side
    157,272x = 115,230,375,936
  5. Step 5: Solve for x
    x = 115,230,375,936/157,272
  6. Step 6: Final answer
    x = 732,682.08

Related Problems

Find third proportional to 78,636 and 169,728
Half scale
Find third proportional to 314,544 and 678,912
Double scale
Find third proportional to 157,274 and 339,460
Similar ratio
Find third proportional to 235,908 and 509,184
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.