Home / 78,919-106,329

Finding the Third Proportional to 78,919 and 106,329

Calculator

Solution

The third proportional to 78,919 and 106,329 is: 143,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,919 : 106,329 = 106,329 : x
  2. Step 2: Convert to fraction form
    78,919/106,329 = 106,329/x
  3. Step 3: Cross multiply
    78,919x = 106,329 × 106,329
  4. Step 4: Simplify right side
    78,919x = 11,305,856,241
  5. Step 5: Solve for x
    x = 11,305,856,241/78,919
  6. Step 6: Final answer
    x = 143,258.99

Related Problems

Find third proportional to 39,459.50 and 53,164.50
Half scale
Find third proportional to 157,838 and 212,658
Double scale
Find third proportional to 78,921 and 106,332
Similar ratio
Find third proportional to 118,378.50 and 159,493.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.