Home / 66,035-137,542

Finding the Third Proportional to 66,035 and 137,542

Calculator

Solution

The third proportional to 66,035 and 137,542 is: 286,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035 : 137,542 = 137,542 : x
  2. Step 2: Convert to fraction form
    66,035/137,542 = 137,542/x
  3. Step 3: Cross multiply
    66,035x = 137,542 × 137,542
  4. Step 4: Simplify right side
    66,035x = 18,917,801,764
  5. Step 5: Solve for x
    x = 18,917,801,764/66,035
  6. Step 6: Final answer
    x = 286,481.44

Related Problems

Find third proportional to 33,017.50 and 68,771
Half scale
Find third proportional to 132,070 and 275,084
Double scale
Find third proportional to 66,037 and 137,546
Similar ratio
Find third proportional to 99,052.50 and 206,313
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.