Home / 66,888-143,568

Finding the Third Proportional to 66,888 and 143,568

Calculator

Solution

The third proportional to 66,888 and 143,568 is: 308,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,888 : 143,568 = 143,568 : x
  2. Step 2: Convert to fraction form
    66,888/143,568 = 143,568/x
  3. Step 3: Cross multiply
    66,888x = 143,568 × 143,568
  4. Step 4: Simplify right side
    66,888x = 20,611,770,624
  5. Step 5: Solve for x
    x = 20,611,770,624/66,888
  6. Step 6: Final answer
    x = 308,153.49

Related Problems

Find third proportional to 33,444 and 71,784
Half scale
Find third proportional to 133,776 and 287,136
Double scale
Find third proportional to 66,890 and 143,572
Similar ratio
Find third proportional to 100,332 and 215,352
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.