Home / 159,945-339,570

Finding the Third Proportional to 159,945 and 339,570

Calculator

Solution

The third proportional to 159,945 and 339,570 is: 720,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,945 : 339,570 = 339,570 : x
  2. Step 2: Convert to fraction form
    159,945/339,570 = 339,570/x
  3. Step 3: Cross multiply
    159,945x = 339,570 × 339,570
  4. Step 4: Simplify right side
    159,945x = 115,307,784,900
  5. Step 5: Solve for x
    x = 115,307,784,900/159,945
  6. Step 6: Final answer
    x = 720,921.47

Related Problems

Find third proportional to 79,972.50 and 169,785
Half scale
Find third proportional to 319,890 and 679,140
Double scale
Find third proportional to 159,947 and 339,574
Similar ratio
Find third proportional to 239,917.50 and 509,355
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.