Home / 79,398-122,886

Finding the Third Proportional to 79,398 and 122,886

Calculator

Solution

The third proportional to 79,398 and 122,886 is: 190,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,398 : 122,886 = 122,886 : x
  2. Step 2: Convert to fraction form
    79,398/122,886 = 122,886/x
  3. Step 3: Cross multiply
    79,398x = 122,886 × 122,886
  4. Step 4: Simplify right side
    79,398x = 15,100,968,996
  5. Step 5: Solve for x
    x = 15,100,968,996/79,398
  6. Step 6: Final answer
    x = 190,193.32

Related Problems

Find third proportional to 39,699 and 61,443
Half scale
Find third proportional to 158,796 and 245,772
Double scale
Find third proportional to 79,400 and 122,889
Similar ratio
Find third proportional to 119,097 and 184,329
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.