Home / 157,278-339,468

Finding the Third Proportional to 157,278 and 339,468

Calculator

Solution

The third proportional to 157,278 and 339,468 is: 732,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278 : 339,468 = 339,468 : x
  2. Step 2: Convert to fraction form
    157,278/339,468 = 339,468/x
  3. Step 3: Cross multiply
    157,278x = 339,468 × 339,468
  4. Step 4: Simplify right side
    157,278x = 115,238,523,024
  5. Step 5: Solve for x
    x = 115,238,523,024/157,278
  6. Step 6: Final answer
    x = 732,705.93

Related Problems

Find third proportional to 78,639 and 169,734
Half scale
Find third proportional to 314,556 and 678,936
Double scale
Find third proportional to 157,280 and 339,472
Similar ratio
Find third proportional to 235,917 and 509,202
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.