Home / 78,039-170,946

Finding the Third Proportional to 78,039 and 170,946

Calculator

Solution

The third proportional to 78,039 and 170,946 is: 374,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,039 : 170,946 = 170,946 : x
  2. Step 2: Convert to fraction form
    78,039/170,946 = 170,946/x
  3. Step 3: Cross multiply
    78,039x = 170,946 × 170,946
  4. Step 4: Simplify right side
    78,039x = 29,222,534,916
  5. Step 5: Solve for x
    x = 29,222,534,916/78,039
  6. Step 6: Final answer
    x = 374,460.65

Related Problems

Find third proportional to 39,019.50 and 85,473
Half scale
Find third proportional to 156,078 and 341,892
Double scale
Find third proportional to 78,041 and 170,950
Similar ratio
Find third proportional to 117,058.50 and 256,419
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.