Home / 29,901-68,919

Finding the Third Proportional to 29,901 and 68,919

Calculator

Solution

The third proportional to 29,901 and 68,919 is: 158,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,901 : 68,919 = 68,919 : x
  2. Step 2: Convert to fraction form
    29,901/68,919 = 68,919/x
  3. Step 3: Cross multiply
    29,901x = 68,919 × 68,919
  4. Step 4: Simplify right side
    29,901x = 4,749,828,561
  5. Step 5: Solve for x
    x = 4,749,828,561/29,901
  6. Step 6: Final answer
    x = 158,851.83

Related Problems

Find third proportional to 14,950.50 and 34,459.50
Half scale
Find third proportional to 59,802 and 137,838
Double scale
Find third proportional to 29,903 and 68,924
Similar ratio
Find third proportional to 44,851.50 and 103,378.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.