Home / 6,990-14,349

Finding the Third Proportional to 6,990 and 14,349

Calculator

Solution

The third proportional to 6,990 and 14,349 is: 29,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990 : 14,349 = 14,349 : x
  2. Step 2: Convert to fraction form
    6,990/14,349 = 14,349/x
  3. Step 3: Cross multiply
    6,990x = 14,349 × 14,349
  4. Step 4: Simplify right side
    6,990x = 205,893,801
  5. Step 5: Solve for x
    x = 205,893,801/6,990
  6. Step 6: Final answer
    x = 29,455.48

Related Problems

Find third proportional to 3,495 and 7,174.50
Half scale
Find third proportional to 13,980 and 28,698
Double scale
Find third proportional to 6,992 and 14,353
Similar ratio
Find third proportional to 10,485 and 21,523.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.