Home / 18,936-29,640

Finding the Third Proportional to 18,936 and 29,640

Calculator

Solution

The third proportional to 18,936 and 29,640 is: 46,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936 : 29,640 = 29,640 : x
  2. Step 2: Convert to fraction form
    18,936/29,640 = 29,640/x
  3. Step 3: Cross multiply
    18,936x = 29,640 × 29,640
  4. Step 4: Simplify right side
    18,936x = 878,529,600
  5. Step 5: Solve for x
    x = 878,529,600/18,936
  6. Step 6: Final answer
    x = 46,394.68

Related Problems

Find third proportional to 9,468 and 14,820
Half scale
Find third proportional to 37,872 and 59,280
Double scale
Find third proportional to 18,938 and 29,643
Similar ratio
Find third proportional to 28,404 and 44,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.