Home / 31,906-69,858

Finding the Third Proportional to 31,906 and 69,858

Calculator

Solution

The third proportional to 31,906 and 69,858 is: 152,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906 : 69,858 = 69,858 : x
  2. Step 2: Convert to fraction form
    31,906/69,858 = 69,858/x
  3. Step 3: Cross multiply
    31,906x = 69,858 × 69,858
  4. Step 4: Simplify right side
    31,906x = 4,880,140,164
  5. Step 5: Solve for x
    x = 4,880,140,164/31,906
  6. Step 6: Final answer
    x = 152,953.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.