Home / 12,929-26,402

Finding the Third Proportional to 12,929 and 26,402

Calculator

Solution

The third proportional to 12,929 and 26,402 is: 53,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929 : 26,402 = 26,402 : x
  2. Step 2: Convert to fraction form
    12,929/26,402 = 26,402/x
  3. Step 3: Cross multiply
    12,929x = 26,402 × 26,402
  4. Step 4: Simplify right side
    12,929x = 697,065,604
  5. Step 5: Solve for x
    x = 697,065,604/12,929
  6. Step 6: Final answer
    x = 53,914.89

Related Problems

Find third proportional to 6,464.50 and 13,201
Half scale
Find third proportional to 25,858 and 52,804
Double scale
Find third proportional to 12,931 and 26,406
Similar ratio
Find third proportional to 19,393.50 and 39,603
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.