Home / 155,542.50-343,917

Finding the Third Proportional to 155,542.50 and 343,917

Calculator

Solution

The third proportional to 155,542.50 and 343,917 is: 760,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,542.50 : 343,917 = 343,917 : x
  2. Step 2: Convert to fraction form
    155,542.50/343,917 = 343,917/x
  3. Step 3: Cross multiply
    155,542.50x = 343,917 × 343,917
  4. Step 4: Simplify right side
    155,542.50x = 118,278,902,889
  5. Step 5: Solve for x
    x = 118,278,902,889/155,542.50
  6. Step 6: Final answer
    x = 760,428.20

Related Problems

Find third proportional to 77,771.25 and 171,958.50
Half scale
Find third proportional to 311,085 and 687,834
Double scale
Find third proportional to 155,545 and 343,921
Similar ratio
Find third proportional to 233,313.75 and 515,875.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.