Home / 26,640-40,320

Finding the Third Proportional to 26,640 and 40,320

Calculator

Solution

The third proportional to 26,640 and 40,320 is: 61,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640 : 40,320 = 40,320 : x
  2. Step 2: Convert to fraction form
    26,640/40,320 = 40,320/x
  3. Step 3: Cross multiply
    26,640x = 40,320 × 40,320
  4. Step 4: Simplify right side
    26,640x = 1,625,702,400
  5. Step 5: Solve for x
    x = 1,625,702,400/26,640
  6. Step 6: Final answer
    x = 61,024.86

Related Problems

Find third proportional to 13,320 and 20,160
Half scale
Find third proportional to 53,280 and 80,640
Double scale
Find third proportional to 26,642 and 40,323
Similar ratio
Find third proportional to 39,960 and 60,480
1.5x scale

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.