Home / 61,089-80,517

Finding the Third Proportional to 61,089 and 80,517

Calculator

Solution

The third proportional to 61,089 and 80,517 is: 106,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,089 : 80,517 = 80,517 : x
  2. Step 2: Convert to fraction form
    61,089/80,517 = 80,517/x
  3. Step 3: Cross multiply
    61,089x = 80,517 × 80,517
  4. Step 4: Simplify right side
    61,089x = 6,482,987,289
  5. Step 5: Solve for x
    x = 6,482,987,289/61,089
  6. Step 6: Final answer
    x = 106,123.64

Related Problems

Find third proportional to 30,544.50 and 40,258.50
Half scale
Find third proportional to 122,178 and 161,034
Double scale
Find third proportional to 61,091 and 80,520
Similar ratio
Find third proportional to 91,633.50 and 120,775.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.