Home / 55,679-119,975

Finding the Third Proportional to 55,679 and 119,975

Calculator

Solution

The third proportional to 55,679 and 119,975 is: 258,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679 : 119,975 = 119,975 : x
  2. Step 2: Convert to fraction form
    55,679/119,975 = 119,975/x
  3. Step 3: Cross multiply
    55,679x = 119,975 × 119,975
  4. Step 4: Simplify right side
    55,679x = 14,394,000,625
  5. Step 5: Solve for x
    x = 14,394,000,625/55,679
  6. Step 6: Final answer
    x = 258,517.59

Related Problems

Find third proportional to 27,839.50 and 59,987.50
Half scale
Find third proportional to 111,358 and 239,950
Double scale
Find third proportional to 55,681 and 119,979
Similar ratio
Find third proportional to 83,518.50 and 179,962.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.