Home / 61,990-131,732

Finding the Third Proportional to 61,990 and 131,732

Calculator

Solution

The third proportional to 61,990 and 131,732 is: 279,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,990 : 131,732 = 131,732 : x
  2. Step 2: Convert to fraction form
    61,990/131,732 = 131,732/x
  3. Step 3: Cross multiply
    61,990x = 131,732 × 131,732
  4. Step 4: Simplify right side
    61,990x = 17,353,319,824
  5. Step 5: Solve for x
    x = 17,353,319,824/61,990
  6. Step 6: Final answer
    x = 279,937.41

Related Problems

Find third proportional to 30,995 and 65,866
Half scale
Find third proportional to 123,980 and 263,464
Double scale
Find third proportional to 61,992 and 131,736
Similar ratio
Find third proportional to 92,985 and 197,598
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.