Home / 2,640-5,109

Finding the Third Proportional to 2,640 and 5,109

Calculator

Solution

The third proportional to 2,640 and 5,109 is: 9,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640 : 5,109 = 5,109 : x
  2. Step 2: Convert to fraction form
    2,640/5,109 = 5,109/x
  3. Step 3: Cross multiply
    2,640x = 5,109 × 5,109
  4. Step 4: Simplify right side
    2,640x = 26,101,881
  5. Step 5: Solve for x
    x = 26,101,881/2,640
  6. Step 6: Final answer
    x = 9,887.08

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.