Home / 30,629-49,143

Finding the Third Proportional to 30,629 and 49,143

Calculator

Solution

The third proportional to 30,629 and 49,143 is: 78,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629 : 49,143 = 49,143 : x
  2. Step 2: Convert to fraction form
    30,629/49,143 = 49,143/x
  3. Step 3: Cross multiply
    30,629x = 49,143 × 49,143
  4. Step 4: Simplify right side
    30,629x = 2,415,034,449
  5. Step 5: Solve for x
    x = 2,415,034,449/30,629
  6. Step 6: Final answer
    x = 78,847.97

Related Problems

Find third proportional to 15,314.50 and 24,571.50
Half scale
Find third proportional to 61,258 and 98,286
Double scale
Find third proportional to 30,631 and 49,146
Similar ratio
Find third proportional to 45,943.50 and 73,714.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.