Home / 13,894-20,842

Finding the Third Proportional to 13,894 and 20,842

Calculator

Solution

The third proportional to 13,894 and 20,842 is: 31,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894 : 20,842 = 20,842 : x
  2. Step 2: Convert to fraction form
    13,894/20,842 = 20,842/x
  3. Step 3: Cross multiply
    13,894x = 20,842 × 20,842
  4. Step 4: Simplify right side
    13,894x = 434,388,964
  5. Step 5: Solve for x
    x = 434,388,964/13,894
  6. Step 6: Final answer
    x = 31,264.50

Related Problems

Find third proportional to 6,947 and 10,421
Half scale
Find third proportional to 27,788 and 41,684
Double scale
Find third proportional to 13,896 and 20,845
Similar ratio
Find third proportional to 20,841 and 31,263
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.