Home / 70,009-105,515

Finding the Third Proportional to 70,009 and 105,515

Calculator

Solution

The third proportional to 70,009 and 105,515 is: 159,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009 : 105,515 = 105,515 : x
  2. Step 2: Convert to fraction form
    70,009/105,515 = 105,515/x
  3. Step 3: Cross multiply
    70,009x = 105,515 × 105,515
  4. Step 4: Simplify right side
    70,009x = 11,133,415,225
  5. Step 5: Solve for x
    x = 11,133,415,225/70,009
  6. Step 6: Final answer
    x = 159,028.34

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.