Home / 66,350-143,068

Finding the Third Proportional to 66,350 and 143,068

Calculator

Solution

The third proportional to 66,350 and 143,068 is: 308,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,350 : 143,068 = 143,068 : x
  2. Step 2: Convert to fraction form
    66,350/143,068 = 143,068/x
  3. Step 3: Cross multiply
    66,350x = 143,068 × 143,068
  4. Step 4: Simplify right side
    66,350x = 20,468,452,624
  5. Step 5: Solve for x
    x = 20,468,452,624/66,350
  6. Step 6: Final answer
    x = 308,492.13

Related Problems

Find third proportional to 33,175 and 71,534
Half scale
Find third proportional to 132,700 and 286,136
Double scale
Find third proportional to 66,352 and 143,072
Similar ratio
Find third proportional to 99,525 and 214,602
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.