Home / 42,628-79,924

Finding the Third Proportional to 42,628 and 79,924

Calculator

Solution

The third proportional to 42,628 and 79,924 is: 149,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628 : 79,924 = 79,924 : x
  2. Step 2: Convert to fraction form
    42,628/79,924 = 79,924/x
  3. Step 3: Cross multiply
    42,628x = 79,924 × 79,924
  4. Step 4: Simplify right side
    42,628x = 6,387,845,776
  5. Step 5: Solve for x
    x = 6,387,845,776/42,628
  6. Step 6: Final answer
    x = 149,850.94

Related Problems

Find third proportional to 21,314 and 39,962
Half scale
Find third proportional to 85,256 and 159,848
Double scale
Find third proportional to 42,630 and 79,928
Similar ratio
Find third proportional to 63,942 and 119,886
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.