Home / 79,089-164,739

Finding the Third Proportional to 79,089 and 164,739

Calculator

Solution

The third proportional to 79,089 and 164,739 is: 343,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,089 : 164,739 = 164,739 : x
  2. Step 2: Convert to fraction form
    79,089/164,739 = 164,739/x
  3. Step 3: Cross multiply
    79,089x = 164,739 × 164,739
  4. Step 4: Simplify right side
    79,089x = 27,138,938,121
  5. Step 5: Solve for x
    x = 27,138,938,121/79,089
  6. Step 6: Final answer
    x = 343,144.28

Related Problems

Find third proportional to 39,544.50 and 82,369.50
Half scale
Find third proportional to 158,178 and 329,478
Double scale
Find third proportional to 79,091 and 164,743
Similar ratio
Find third proportional to 118,633.50 and 247,108.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.