Home / 70,117-105,909

Finding the Third Proportional to 70,117 and 105,909

Calculator

Solution

The third proportional to 70,117 and 105,909 is: 159,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,117 : 105,909 = 105,909 : x
  2. Step 2: Convert to fraction form
    70,117/105,909 = 105,909/x
  3. Step 3: Cross multiply
    70,117x = 105,909 × 105,909
  4. Step 4: Simplify right side
    70,117x = 11,216,716,281
  5. Step 5: Solve for x
    x = 11,216,716,281/70,117
  6. Step 6: Final answer
    x = 159,971.42

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.