Home / 76,169-177,939

Finding the Third Proportional to 76,169 and 177,939

Calculator

Solution

The third proportional to 76,169 and 177,939 is: 415,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,169 : 177,939 = 177,939 : x
  2. Step 2: Convert to fraction form
    76,169/177,939 = 177,939/x
  3. Step 3: Cross multiply
    76,169x = 177,939 × 177,939
  4. Step 4: Simplify right side
    76,169x = 31,662,287,721
  5. Step 5: Solve for x
    x = 31,662,287,721/76,169
  6. Step 6: Final answer
    x = 415,684.70

Related Problems

Find third proportional to 38,084.50 and 88,969.50
Half scale
Find third proportional to 152,338 and 355,878
Double scale
Find third proportional to 76,171 and 177,944
Similar ratio
Find third proportional to 114,253.50 and 266,908.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.