Home / 66,048-143,880

Finding the Third Proportional to 66,048 and 143,880

Calculator

Solution

The third proportional to 66,048 and 143,880 is: 313,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048 : 143,880 = 143,880 : x
  2. Step 2: Convert to fraction form
    66,048/143,880 = 143,880/x
  3. Step 3: Cross multiply
    66,048x = 143,880 × 143,880
  4. Step 4: Simplify right side
    66,048x = 20,701,454,400
  5. Step 5: Solve for x
    x = 20,701,454,400/66,048
  6. Step 6: Final answer
    x = 313,430.45

Related Problems

Find third proportional to 33,024 and 71,940
Half scale
Find third proportional to 132,096 and 287,760
Double scale
Find third proportional to 66,050 and 143,884
Similar ratio
Find third proportional to 99,072 and 215,820
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.