Home / 78,702-169,965

Finding the Third Proportional to 78,702 and 169,965

Calculator

Solution

The third proportional to 78,702 and 169,965 is: 367,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,702 : 169,965 = 169,965 : x
  2. Step 2: Convert to fraction form
    78,702/169,965 = 169,965/x
  3. Step 3: Cross multiply
    78,702x = 169,965 × 169,965
  4. Step 4: Simplify right side
    78,702x = 28,888,101,225
  5. Step 5: Solve for x
    x = 28,888,101,225/78,702
  6. Step 6: Final answer
    x = 367,056.76

Related Problems

Find third proportional to 39,351 and 84,982.50
Half scale
Find third proportional to 157,404 and 339,930
Double scale
Find third proportional to 78,704 and 169,969
Similar ratio
Find third proportional to 118,053 and 254,947.50
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.