Home / 138,745-299,088

Finding the Third Proportional to 138,745 and 299,088

Calculator

Solution

The third proportional to 138,745 and 299,088 is: 644,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,745 : 299,088 = 299,088 : x
  2. Step 2: Convert to fraction form
    138,745/299,088 = 299,088/x
  3. Step 3: Cross multiply
    138,745x = 299,088 × 299,088
  4. Step 4: Simplify right side
    138,745x = 89,453,631,744
  5. Step 5: Solve for x
    x = 89,453,631,744/138,745
  6. Step 6: Final answer
    x = 644,734.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.