Home / 157,289-339,606

Finding the Third Proportional to 157,289 and 339,606

Calculator

Solution

The third proportional to 157,289 and 339,606 is: 733,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,289 : 339,606 = 339,606 : x
  2. Step 2: Convert to fraction form
    157,289/339,606 = 339,606/x
  3. Step 3: Cross multiply
    157,289x = 339,606 × 339,606
  4. Step 4: Simplify right side
    157,289x = 115,332,235,236
  5. Step 5: Solve for x
    x = 115,332,235,236/157,289
  6. Step 6: Final answer
    x = 733,250.48

Related Problems

Find third proportional to 78,644.50 and 169,803
Half scale
Find third proportional to 314,578 and 679,212
Double scale
Find third proportional to 157,291 and 339,610
Similar ratio
Find third proportional to 235,933.50 and 509,409
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.