Home / 66,866-145,252

Finding the Third Proportional to 66,866 and 145,252

Calculator

Solution

The third proportional to 66,866 and 145,252 is: 315,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866 : 145,252 = 145,252 : x
  2. Step 2: Convert to fraction form
    66,866/145,252 = 145,252/x
  3. Step 3: Cross multiply
    66,866x = 145,252 × 145,252
  4. Step 4: Simplify right side
    66,866x = 21,098,143,504
  5. Step 5: Solve for x
    x = 21,098,143,504/66,866
  6. Step 6: Final answer
    x = 315,528.72

Related Problems

Find third proportional to 33,433 and 72,626
Half scale
Find third proportional to 133,732 and 290,504
Double scale
Find third proportional to 66,868 and 145,256
Similar ratio
Find third proportional to 100,299 and 217,878
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.