Home / 72,828.75-155,778

Finding the Third Proportional to 72,828.75 and 155,778

Calculator

Solution

The third proportional to 72,828.75 and 155,778 is: 333,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,828.75 : 155,778 = 155,778 : x
  2. Step 2: Convert to fraction form
    72,828.75/155,778 = 155,778/x
  3. Step 3: Cross multiply
    72,828.75x = 155,778 × 155,778
  4. Step 4: Simplify right side
    72,828.75x = 24,266,785,284
  5. Step 5: Solve for x
    x = 24,266,785,284/72,828.75
  6. Step 6: Final answer
    x = 333,203.37

Related Problems

Find third proportional to 36,414.38 and 77,889
Half scale
Find third proportional to 145,657.50 and 311,556
Double scale
Find third proportional to 72,831 and 155,782
Similar ratio
Find third proportional to 109,243.13 and 233,667
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.