Home / 27,708-39,921

Finding the Third Proportional to 27,708 and 39,921

Calculator

Solution

The third proportional to 27,708 and 39,921 is: 57,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708 : 39,921 = 39,921 : x
  2. Step 2: Convert to fraction form
    27,708/39,921 = 39,921/x
  3. Step 3: Cross multiply
    27,708x = 39,921 × 39,921
  4. Step 4: Simplify right side
    27,708x = 1,593,686,241
  5. Step 5: Solve for x
    x = 1,593,686,241/27,708
  6. Step 6: Final answer
    x = 57,517.19

Related Problems

Find third proportional to 13,854 and 19,960.50
Half scale
Find third proportional to 55,416 and 79,842
Double scale
Find third proportional to 27,710 and 39,924
Similar ratio
Find third proportional to 41,562 and 59,881.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.